Add publish pipeline

.github/workflows/release.yml

@@ -0,0 +1,40 @@
+name: Build
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2.2.2
+      with:
+        python-version: "3.8"
+
+    - name: Install poetry
+      run: curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python -
+
+    - name: Set up cache
+      uses: actions/cache@v2.1.6
+      with:
+        path: .venv
+        key: venv-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}-${{ hashFiles('poetry.lock') }}
+
+    - name: Install dependencies
+      run: |
+        poetry config virtualenvs.in-project true
+        poetry install
+
+    - name: Build
+      run: |
+        poetry build
+
+    - name: publish
+      run: |
+        poetry publish -u "__token__" -p ${{ secrets.PYPI_API_TOKEN }}