ci: Run tests in CI with PR reporting

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: Continous Integration
+
+on: [pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    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@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: Install
+        run: poetry install
+      - name: Run tests
+        run: poetry run pytest --junitxml=junit/test-results-${{ matrix.python-version }}.xml --cov=liblistenbrainz --cov-report=xml:junit/coverage-${{ matrix.python-version }}.xml
+      - name: Upload 
+        uses: actions/upload-artifact@v4
+        with:
+          name: junit-${{ matrix.python-version }}
+          path: junit/*
+
+  report:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/download-artifact@v4
+      - name: Publish Test Reports
+        uses: EnricoMi/publish-unit-test-result-action/composite@v2
+        if: always()
+        with:
+          files: junit-*/test-results-*.xml
+      - name: Create Coverage Report
+        uses: irongut/[email protected]
+        with:
+          filename: junit-*/coverage-*.xml
+          format: markdown
+          output: both
+      - name: Add coverage PR comment
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          path: code-coverage-results.md