Added github action to build pull-requests

.github/workflows/build-pullrequest.yml

@@ -0,0 +1,19 @@
+name: Pull Request Workflow
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Build with Maven
+        run: mvn -B verify --no-transfer-progress