add release workflow

.github/workflows/pre-release.yml

@@ -1,4 +1,4 @@
-name: Release
+name: Pre-release to pypi
 
 on:
   release:

.github/workflows/release.yml

@@ -0,0 +1,49 @@
+name: Pre-release to pypi
+
+on:
+  release:
+    types: [released]
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repository
+        uses: actions/checkout@v2.4.0
+        with:
+          fetch-depth: 2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2.3.1
+        with:
+          python-version: "3.10"
+
+      - name: Upgrade pip
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt pip
+          pip --version
+
+      - name: Install Poetry
+        run: |
+          pip install --constraint=.github/workflows/constraints.txt poetry poetry-dynamic-versioning
+          poetry --version
+
+      - name: Build package
+        run: |
+          poetry build --ansi
+
+      - name: Publish package on PyPI
+        if: steps.check-version.outputs.tag
+        uses: pypa/gh-action-pypi-publish@v1.4.2
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}
+
+      - name: Publish the release notes
+        uses: release-drafter/release-drafter@v5.15.0
+        with:
+          publish: ${{ steps.check-version.outputs.tag != '' }}
+          tag: ${{ steps.check-version.outputs.tag }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}