ci: Add GitHub actions pipeline

.github/workflows/pipeline.yml

@@ -0,0 +1,83 @@
+name: CI pipeline
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        python-version: ["3.8"]
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install tox
+        run: python -m pip install --upgrade pip tox tox-gh-actions
+
+      - name: Run tests
+        run: tox
+
+      - name: Upload coverage artifact
+        if: matrix.os == 'ubuntu-latest'
+        uses: actions/[email protected]
+        with:
+          name: coverage-${{ matrix.python-version }}
+          path: reports/.coverage.*test
+
+  coverage:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    needs: test
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+
+      - name: Download all coverage artifacts
+        uses: actions/download-artifact@v3
+
+      - name: Copy coverage reports to reports folder
+        run: mkdir reports && find . -type f -path "./coverage-3.*/*" -exec cp {} reports/ \;
+
+      - name: Install tox
+        run: python -m pip install --upgrade pip tox
+
+      - name: Combine coverage results
+        run: tox run -e combine-test-reports
+
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.8
+
+      - name: Install tox
+        run: python -m pip install --upgrade tox
+
+      - name: Run static checks
+        run: tox -e lint