Add CI by spell check and compiling it

.github/workflows/buildproject.yml

@@ -0,0 +1,24 @@
+name: PlatformIO CI
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: |
+            ~/.cache/pip
+            ~/.platformio/.cache
+          key: ${{ runner.os }}-pio
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+      - name: Install PlatformIO Core
+        run: pip install --upgrade platformio
+
+      - name: Build PlatformIO Project
+        run: pio run

.github/workflows/spell_check.yml

@@ -0,0 +1,19 @@
+name: Spell Check
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+  repository_dispatch:
+
+jobs:
+  spellcheck:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      # See: https://github.com/codespell-project/actions-codespell/blob/master/README.md
+      - name: Spell check
+        uses: codespell-project/actions-codespell@master

src/fromV08.ino.cpp

@@ -60,7 +60,7 @@ unsigned TX_INTERVAL = 15;
 unsigned long lastMillis = 0;
 unsigned long lastMillis2 = 0;
 
-// For battery mesurement
+// For battery measurement
 float VBAT;  // battery voltage from ESP32 ADC read
 
 const lmic_pinmap lmic_pins = {