Add workflows to build & release wheels

Author: projectgus

.github/workflows/build.yml

@@ -0,0 +1,16 @@
+on: [push, pull_request]
+name: Build Python Package
+jobs:
+  build_package:
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel
+    - name: Build package
+      run: |
+        python setup.py sdist bdist_wheel

.github/workflows/release.yml

@@ -0,0 +1,21 @@
+on:
+  release:
+    types: [created]
+name: Upload Python Package
+jobs:
+  upload_package:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+    - name: Build and publish
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
+      run: |
+        python setup.py sdist bdist_wheel
+        twine upload dist/*