Automate publishing upon release

Add publish.yml to workflows, which uses poetry to build and publish package when a release is created.

Author: biozz

.github/workflows/publish.yml

@@ -0,0 +1,25 @@
+# This workflows will upload a Python Package using Poetry when a release is created
+name: Upload Python Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        poetry export -f requirements.txt --output requirements.txt
+        pip install -r requirements.txt
+    - name: Build and publish
+      env:
+        POETRY_PYPI_TOKEN_PYPI: ${{ secrets.POETRY_PYPI_TOKEN_PYPI }}
+      run: poetry publish --build