Add github workflow

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: test
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[test] .[analysis]
+
+    - name: Lint
+      run: |
+        python setup.py lint
+
+    - name: Validate formatting
+      run: |
+        python setup.py format_verify
+        python setup.py format_docstrings_verify
+        python setup.py sort_imports_verify
+
+    - name: Run tests
+      run: |
+        python setup.py test