[WIP] Adding Action for tox run

Author: Jason Costello

.github/actions/main.yml

@@ -0,0 +1,30 @@
+name: Continuous integration
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e ".[dev]"; fi
+      - name: Run tests
+        env:
+          TOX_ENV: py${{matrix.python-version}}
+        run: |
+          tox - e $TOX_ENV