Add pypi build and publish to CD

.github/workflows/CD.yml

@@ -31,3 +31,37 @@ jobs:
           user: accessnri
           label: main
           token: ${{ secrets.anaconda_token }}
+
+  pypi-build:
+    name: Build package for PyPI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: 3.11
+
+      - run: |
+          python3 -m pip install --upgrade build && python3 -m build
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./dist
+
+  pypi-publish:
+    # Split build and publish to restrict trusted publishing to just this workflow
+    needs: ['pypi-build']
+    name: Publish to PyPI.org
+    runs-on: ubuntu-latest
+    permissions:
+      # IMPORTANT: this permission is mandatory for trusted publishing
+      id-token: write
+    steps:
+      - uses: actions/download-artifact@v3
+
+      - name: Publish package distributions to PyPI
+        # This is version v1.8.10
+        uses: pypa/gh-action-pypi-publish@b7f401de30cb6434a1e19f805ff006643653240e
+        with:
+          packages_dir: artifact/