[ci] Added workflow for PyPI publishing

.github/workflows/pypi.yml

@@ -0,0 +1,32 @@
+name: Publish Python Package to Pypi.org
+
+on:
+  release:
+    types: [published, edited]
+
+permissions:
+  id-token: write
+
+jobs:
+  pypi-publish:
+    name: Release Python Package on Pypi.org
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/openwisp-network-topology
+    permissions:
+      id-token: write
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+    - name: Install dependencies
+      run: |
+        pip install -U pip
+        pip install build
+    - name: Build package
+      run: python -m build
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@v1.9.0