[Docs] Added Escher doc

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Epsilon is not working like it should? Let us know!
+labels: 'bug'
+
+---
+#### Describe the bug
+A clear and concise description of what the bug is. Please describe a **single** bug per issue. Feel free to create multiple issues though!
+
+#### Screenshots
+Please provide at least one screenshot of the issue happening. This is by far the best way to quickly show any issue! To attach a screenshot, just go to our [online simulator](https://www.numworks.com/simulator), navigate to reproduce your issue, and click the "screenshot" button. Then drag'n'drop the file here!
+
+#### To Reproduce
+Steps to reproduce the behavior:
+1. Go to the '...' app
+2. Type '....'
+3. Scroll down to '....'
+4. See error
+
+#### Expected behavior
+A clear and concise description of what you expected to happen.
+
+#### Environment
+ - Epsilon version (Settings > About > Software version).
+ - The platform(s) on which the problem happens: online simulator, actual device, etc...

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for an improvement of Epsilon
+labels: 'enhancement'
+
+---
+#### Problem you'd like to fix
+Is your feature request related to a problem? Please provide a clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+Please describe a **single** improvement per issue. Feel free to open multiple issues though!
+
+#### Screenshots
+If possible, please attach a screenshot. You can go on our [online simulator](https://www.numworks.com/simulator), use the screenshot button, and drag'n'drop the file here.
+
+#### Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+#### Describe alternatives you've considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+#### Additional context
+Add any other context or screenshots about the feature request here.

.github/workflows/ci-workflow.yml

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+name: Continuous integration
+on: [pull_request, push]
+
+jobs:
+  android:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: make -j2 PLATFORM=simulator TARGET=android
+      - run: make -j2 PLATFORM=simulator TARGET=android epsilon.official.apk
+      - run: make -j2 PLATFORM=simulator TARGET=android test.apk
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-android.apk
+          path: output/release/simulator/android/epsilon.apk
+  n0100:
+    runs-on: ubuntu-latest
+    steps:
+      - run: sudo apt-get install build-essential imagemagick libfreetype6-dev libjpeg-dev libpng-dev pkg-config
+      - uses: numworks/setup-arm-toolchain@v1
+      - uses: actions/checkout@v2
+      - run: make -j2 MODEL=n0100 epsilon.dfu
+      - run: make -j2 MODEL=n0100 epsilon.onboarding.dfu
+      - run: make -j2 MODEL=n0100 epsilon.official.onboarding.dfu
+      - run: make -j2 MODEL=n0100 epsilon.onboarding.update.dfu
+      - run: make -j2 MODEL=n0100 epsilon.onboarding.beta.dfu
+      - run: make -j2 MODEL=n0100 flasher.light.dfu
+      - run: make -j2 MODEL=n0100 flasher.verbose.dfu
+      - run: make -j2 MODEL=n0100 test.elf
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-n0100.dfu
+          path: output/release/device/n0100/epsilon.dfu
+  n0110:
+    runs-on: ubuntu-latest
+    steps:
+      - run: sudo apt-get install build-essential imagemagick libfreetype6-dev libjpeg-dev libpng-dev pkg-config
+      - uses: numworks/setup-arm-toolchain@v1
+      - uses: actions/checkout@v2
+      - run: make -j2 epsilon.dfu
+      - run: make -j2 epsilon.onboarding.dfu
+      - run: make -j2 epsilon.official.onboarding.dfu
+      - run: make -j2 epsilon.onboarding.update.dfu
+      - run: make -j2 epsilon.onboarding.beta.dfu
+      - run: make -j2 flasher.light.dfu
+      - run: make -j2 flasher.verbose.dfu
+      - run: make -j2 bench.ram.dfu
+      - run: make -j2 bench.flash.dfu
+      - run: make -j2 test.elf
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-n0110.dfu
+          path: output/release/device/n0110/epsilon.dfu
+  windows:
+    runs-on: windows-latest
+    steps:
+      - uses: numworks/setup-msys2@v1
+      - uses: actions/checkout@v2
+      - run: msys2do pacman -S --noconfirm mingw-w64-x86_64-gcc mingw-w64-x86_64-freetype mingw-w64-x86_64-pkg-config make mingw-w64-x86_64-python3 mingw-w64-x86_64-libjpeg-turbo mingw-w64-x86_64-libpng
+      - run: msys2do make -j2 PLATFORM=simulator
+      - run: msys2do make -j2 PLATFORM=simulator epsilon.official.exe
+      - run: msys2do make -j2 PLATFORM=simulator test.headless.exe
+      - run: cmd /c output\release\simulator\windows\test.headless.exe
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-windows.exe
+          path: output/release/simulator/windows/epsilon.exe
+  web:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: numworks/setup-emscripten@v2
+        with:
+          sdk: 1.39.16-fastcomp
+      - uses: actions/checkout@v2
+      - run: make -j2 PLATFORM=simulator TARGET=web
+      - run: make -j2 PLATFORM=simulator TARGET=web epsilon.official.zip
+      - run: make -j2 PLATFORM=simulator TARGET=web test.headless.js
+      - run: node output/release/simulator/web/test.headless.js
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-web.zip
+          path: output/release/simulator/web/epsilon.zip
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - run: sudo apt-get install build-essential imagemagick libfreetype6-dev libjpeg-dev libpng-dev pkg-config
+      - uses: actions/checkout@v2
+      - run: make -j2 PLATFORM=simulator
+      - run: make -j2 PLATFORM=simulator epsilon.official.bin
+      - run: make -j2 PLATFORM=simulator test.headless.bin
+      - run: output/release/simulator/linux/test.headless.bin
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-linux.bin
+          path: output/release/simulator/linux/epsilon.bin
+  macos:
+    runs-on: macOS-latest
+    steps:
+      - run: brew install numworks/tap/epsilon-sdk
+      - uses: actions/checkout@v2
+      - run: make -j2 PLATFORM=simulator
+      - run: make -j2 PLATFORM=simulator epsilon.official.app
+      - run: make -j2 PLATFORM=simulator ARCH=x86_64 test.headless.bin
+      - run: output/release/simulator/macos/x86_64/test.headless.bin
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-macos.zip
+          path: output/release/simulator/macos/epsilon.app
+  ios:
+    runs-on: macOS-latest
+    steps:
+      - run: brew install numworks/tap/epsilon-sdk
+      - uses: actions/checkout@v2
+      - run: make -j2 PLATFORM=simulator TARGET=ios EPSILON_TELEMETRY=0
+      - run: make -j2 PLATFORM=simulator TARGET=ios EPSILON_TELEMETRY=0 epsilon.official.ipa
+      - run: make -j2 PLATFORM=simulator TARGET=ios EPSILON_TELEMETRY=0 test.ipa
+      - run: make -j2 PLATFORM=simulator TARGET=ios EPSILON_TELEMETRY=0 APPLE_PLATFORM=ios-simulator
+      - uses: actions/upload-artifact@master
+        with:
+          name: epsilon-ios.ipa
+          path: output/release/simulator/ios/epsilon.ipa
+
+env:
+  ACCEPT_OFFICIAL_TOS: 1

.github/workflows/metrics-workflow.yml

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+name: Metrics
+on: [pull_request]
+
+jobs:
+  binary-size:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install dependencies
+        run: sudo apt-get install build-essential imagemagick libfreetype6-dev libjpeg-dev libpng-dev pkg-config
+      - name: Install ARM toolchain
+        uses: numworks/setup-arm-toolchain@v1
+      - name: Checkout PR base
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.base.sha }}
+          path: base
+      - name: Build base
+        run: make -j2 -C base epsilon.elf
+      - name: Checkout PR head
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          path: head
+      - name: Build head
+        run: make -j2 -C head epsilon.elf
+      - name: Retrieve binary size analysis
+        id: binary_size
+        run: echo "::set-output name=table::$(python3 head/build/metrics/binary_size.py base/output/release/device/n0110/epsilon.elf head/output/release/device/n0110/epsilon.elf --labels Base Head --sections .text .rodata .bss .data --escape)"
+      - name: Prepare comment auth
+        run: echo "::set-env name=GITHUB_TOKEN::$(echo ZGExNWM1YzNlMjVkMWU5ZGFmOWQyY2UxMmRhYjJiN2ZhMWM4ODVhMA== | base64 --decode)"
+      - name: Add comment
+        uses: actions/github@v1.0.0
+        env:
+          GITHUB_TOKEN: ${{ env.GITHUB_TOKEN }}
+        with:
+          args: comment ${{ steps.binary_size.outputs.table }}

.gitignore

@@ -1,31 +1,3 @@
-# No objects files.
-*.o
-*.elf
-
-# No dependency files
-*.d
-
-# No lex / yacc generated files.
-poincare/src/expression_lexer.cpp
-poincare/src/expression_lexer.hpp
-poincare/src/expression_parser.cpp
-poincare/src/expression_parser.hpp
-
-# No rulegen generated files
-poincare/src/simplify/rules_generation/rules_tokens.h
-poincare/src/simplify/rules_generation/rules_lexer.cpp
-poincare/src/simplify/rules_generation/rules_parser.cpp
-poincare/src/simplify/rules_generation/rulegen
-poincare/src/simplify/rules.cpp
-
-# Font related generated files.
-kandinsky/fonts/rasterizer
-kandinsky/src/font.c
-kandinsky/src/font.h
-
-# No PicView generated files
-apps/picview/image.raw
-apps/picview/image.c
-
-# Quiz output
-quiz/src/symbols.c
+/output/
+/build/artifacts/
+build/device/**/*.pyc