ci: setup github action workflow for testing

Author: Brian Faust

.circleci/config.yml

@@ -0,0 +1,18 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Install
+        run: gradle dependencies
+      - name: Test
+        run: gradle test