Create main.yml for Github Actions

Initial Github Actions workflow

Author: BeyondEvil

.github/workflows/main.yml

@@ -0,0 +1,32 @@
+name: main
+
+on:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: python 3.6
+            python: 3.6
+            tox_env: py36
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install tox
+
+    - name: Run tests
+      run: "tox -e ${{ matrix.tox_env }}"