[BE][CI] - add a github PR template and CI workflow migration (#282)

* add a PR template and a workflow mirroring the current circleci pre-commit job

* remove circleci config and mentions

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,26 @@
+## Motivation and Context
+
+<!--- Why is this change required? What problem does it solve? -->
+<!--- Link to existing issues or related PRs here if they exists. -->
+
+## How Has This Been Tested
+
+<!--- Please describe here how your modifications have been tested. -->
+
+## Types of changes
+
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Docs change / refactoring / dependency upgrade
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+
+## Checklist
+
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+
+- [ ] My code follows the code style of this project.
+- [ ] My change requires a change to the documentation.
+- [ ] I have updated the documentation accordingly.
+- [ ] I have added tests to cover my changes.
+- [ ] All new and existing tests passed.

.github/workflows/run_pre-commit.yml

@@ -0,0 +1,27 @@
+name: Run pre-commit
+on:
+  pull_request: {}
+  push:
+    branches:
+    - main
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4.1.1
+    - name: Setup python
+      uses: actions/setup-python@v5.0.0
+      with:
+        python-version: '3.9.16'
+    - name: install dependencies
+      run: |-
+        pip install -U pip setuptools pre-commit
+        # Install the hooks now so that they'll be cached
+        pre-commit install-hooks
+    - name: Check Code Style using pre-commit
+      run: |-
+        SKIP=eslint pre-commit run --show-diff-on-failure --all-files
+    #NOTE: use the below to debug with ssh: simply move this "job" just before the crashing job to intercept the workflow
+    #- name: Debugging with tmate
+    #  uses: mxschmitt/action-tmate@v3.18

installation/SETUP_INSTRUCTIONS.md

@@ -285,10 +285,4 @@ Installing the pre-commit allows you to run automatic pre-commit while running `
 pre-commit install
 ```
 
-### Creating an account on CircleCI
-- Since we have integrated CircleCI tests on this repo, you would need to create and link your CircleCI account
-- You can create your account from this link (https://app.circleci.com/). Once you have created the account, go to "Organization Settings", on the left tab click on "VCS"
-- Finally click on "Manage GitHub Checks". CircleCI will request access to `facebookresearch` org owner.
-`
-
 ### For folks running Aria-Spot codebase, please also refer to the additonal setup steps [mentioned in this readme](/aria_data_loaders/README.md)