add cibuildwheel workflow

Author: ShaokunAn

.github/workflows/build_wheels.yml

@@ -0,0 +1,79 @@
+name: Build and publish wheels
+
+on:
+  release:
+    types: [published]
+  # Allow manual trigger for testing
+  workflow_dispatch:
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pypa/cibuildwheel@v2.22
+        env:
+          # Build for Python 3.10, 3.11, 3.12
+          CIBW_BUILD: "cp310-* cp311-* cp312-*"
+          # Skip 32-bit builds and musl linux
+          CIBW_SKIP: "*-win32 *-manylinux_i686 *-musllinux*"
+          # macOS: build both Intel and Apple Silicon
+          CIBW_ARCHS_MACOS: "x86_64 arm64"
+          CIBW_ARCHS_LINUX: "x86_64"
+          CIBW_ARCHS_WINDOWS: "AMD64"
+          # Build dependencies (pybind11 is needed at compile time)
+          CIBW_BUILD_FRONTEND: "pip"
+          # Test the built wheel
+          CIBW_TEST_COMMAND: "python -c \"import SpatialQueryEliasFanoDB; print('C++ extension OK')\""
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wheels-${{ matrix.os }}
+          path: ./wheelhouse/*.whl
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - run: pip install build
+
+      - run: python -m build --sdist
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: sdist
+          path: dist/*.tar.gz
+
+  publish:
+    name: Publish to PyPI
+    needs: [build_wheels, build_sdist]
+    runs-on: ubuntu-latest
+    # Only publish on release events
+    if: github.event_name == 'release'
+    environment:
+      name: pypi
+      url: https://pypi.org/p/SpatialQuery
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: dist/
+          merge-multiple: true
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1