ci: add semantic-release.yaml

Signed-off-by: Alan Tse <alandtse@gmail.com>

.github/workflows/semantic_release.yml

@@ -0,0 +1,34 @@
+name: semantic_release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+        with:
+          ref: master
+      - name: Set up Python 3.7
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.7
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install python-semantic-release
+      - name: Setup Git
+        run: |
+          git config --global user.name "semantic-release"
+          git config --global user.email "semantic-release@GitHub"
+      - name: Publish with semantic-release
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+          PYPI_USERNAME: ${{ secrets.PYPI_USERNAME }}
+        run: |
+          DEBUG='*' semantic-release publish --noop