Add publish workflow

.github/workflows/publish.yml

@@ -0,0 +1,45 @@
+name: Build and Publish
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build-and-publish:
+    environment: protected
+    permissions:
+      contents: read
+      id-token: write
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.9'
+
+    - name: Setup Poetry
+      uses: abatilo/actions-poetry@v2
+
+    - name: Configure local .venv
+      run: |
+        poetry config virtualenvs.create true --local
+        poetry config virtualenvs.in-project true --local
+
+    - uses: actions/cache@v3
+      name: Cache Dependencies
+      with:
+        path: ./.venv
+        key: venv-${{ hashFiles('poetry.lock') }}
+
+    - name: Install dependencies
+      run: poetry install
+
+    - name: Build package
+      run: poetry build
+
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1