Add PyPI publish workflow (#333)

Signed-off-by: Emanuel Lima <emanuel-lima@outlook.com>

.github/workflows/cadcad-publish.yml

@@ -0,0 +1,42 @@
+# This workflow will publish the cadCAD library to PyPI when a release is created
+
+name: cadCAD Publish
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+
+    if: startsWith(github.ref, 'refs/tags/')
+
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/p/cadCAD
+
+    permissions:
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Build cadCAD
+        run: |
+            python setup.py bdist_wheel
+
+      - name: Publish package
+        uses: pypa/gh-action-pypi-publish@release/v1