ci: Add github action to run tests on pull request

Author: vkolgi

.github/workflows/on-pull-request.yml

@@ -0,0 +1,22 @@
+# This workflow builds and runs the tests on pull requests
+
+name: Run Tests
+
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      # Run npm install, this also runs the tests (as part of prepare)
+      - name: Install and run tests
+        run: npm install