setup CI

Author: staltz

.github/workflows/main.yml

@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install
+        run: npm install
+      - name: Compile
+        run: npm run compile
+      - name: Test
+        run: npm test