Add GitHub action workflow for build/release

.github/workflows/main.yml

@@ -0,0 +1,45 @@
+name: Build
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+      - name: Build sdist
+        run: |
+          python -m pip install --user build
+          python -m build --sdist
+      - uses: actions/upload-artifact@v4
+        with:
+          name: source
+          path: dist/*.tar.gz
+
+  upload_pypi:
+    name: Upload wheels to PyPI
+    needs: [build_sdist]
+    environment:
+      name: pypi
+      url: https://pypi.org/p/pyqodeng
+    permissions:
+      id-token: write
+    runs-on: ubuntu-latest
+    # Upload to PyPI on every tag starting with 'v'
+    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+      - run: |
+          mkdir dist
+          find artifacts -type f -exec mv {} dist \;
+      - uses: pypa/gh-action-pypi-publish@release/v1