Add github workflow

.github/workflows/workflow.yml

@@ -0,0 +1,63 @@
+name: OpenFisca France Indirect Taxation
+
+on:
+  push:
+  pull_request:
+    types: [opened, reopened]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: ["ubuntu-20.04"]
+        python-version: ["3.10.6"]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Cache build
+        id: restore-build
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.pythonLocation }}
+          key: build-${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}-${{ github.sha }}-${{ matrix.os }}
+          restore-keys: |  # in case of a cache miss (systematically unless the same commit is built repeatedly), the keys below will be used to restore dependencies from previous builds, and the cache will be stored at the end of the job, making up-to-date dependencies available for all jobs of the workflow; see more at https://docs.github.com/en/actions/advanced-guides/caching-dependencies-to-speed-up-workflows#example-using-the-cache-action
+            build-${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}-${{ matrix.os }}
+            build-${{ env.pythonLocation }}-${{ matrix.os }}
+      - name: Build package
+        run: make build
+      - name: Cache release
+        id: restore-release
+        uses: actions/cache@v3
+        with:
+          path: dist
+          key: release-${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}-${{ github.sha }}-${{ matrix.os }}
+
+  lint-files:
+    runs-on: ubuntu-20.04
+    needs: [ build ]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Fetch all the tags
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.10.6
+      - name: Cache build
+        id: restore-build
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.pythonLocation }}
+          key: build-${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}-${{ github.sha }}-ubuntu-20.04
+      - run: make check-syntax-errors
+      - run: make check-style
+      - name: Lint Python files
+        run: "${GITHUB_WORKSPACE}/.github/lint-changed-python-files.sh"
+      - name: Lint YAML tests
+        run: "${GITHUB_WORKSPACE}/.github/lint-changed-yaml-tests.sh"