💚🔧 chore: Add CI yml file for actions

Closes(sageteamorg#5)

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    name: Python ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+
+    env:
+      DJANGO_SETTINGS_MODULE: sage_timezone.tests.testapp.settings.settings
+      PYTHONPATH: ${{ github.workspace }}
+
+    strategy:
+      matrix:
+        python-version:
+          - '3.8'
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install coverage codecov pytest poetry
+          pip install -r packages/requirements-dev.txt
+
+      - name: Run tests with coverage
+        run: pytest --cov=sage_timezone --cov-report=xml
+
+      - name: Run Tox tests
+        run: tox
+
+      - name: Run pre-commit hooks
+        run: pre-commit run --all-files --config=.pre-commit-config-ci.yaml
+
+      - name: Upload coverage to Codecov
+        run: codecov
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}