Add Github Actions

Author: pganssle

.github/workflows/tests.yml

@@ -0,0 +1,50 @@
+name: tzdata contents
+
+on: [push]
+
+jobs:
+  tests:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+        os: ["ubuntu-latest", "windows-latest", "macos-latest"]
+    env:
+      TOXENV: py
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: ${{ matrix.python-version }} - ${{ matrix.os }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade tox
+    - name: Run tests
+      run: |
+        tox
+
+  other:
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        toxenv: ["build", "pytype"]
+    env:
+      TOXENV: ${{ matrix.toxenv }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: ${{ matrix.toxenv }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+      - name: Install tox
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade tox
+      - name: Run action
+        run: |
+          tox