Create pr.yml

Author: thorough-developer

.github/workflows/pr.yml

@@ -0,0 +1,19 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+on:
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+      - run: npm ci
+      - run: npm test