Automatically publish new versions

.github/workflows/publish.yml

@@ -0,0 +1,28 @@
+name: Publish Package
+
+'on':
+  push:
+    branches:
+      - master
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-python@v1
+        with:
+          python-version: '3.7'
+          architecture: 'x64'
+      - name: Install dependencies
+        run: |
+          pip install poetry
+          poetry install
+      - name: Set credentials
+        env:
+          API_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
+        run: poetry config pypi-token.pypi "$API_TOKEN"
+      - name: Build
+        run: poetry build
+      - name: Publish
+        run: poetry publish