Create build-core.yml

.github/workflows/build-core.yml

@@ -0,0 +1,28 @@
+name: Build Core Module
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+
+    - name: Set Up Java
+      uses: actions/setup-java@v2
+      with:
+        distribution: 'adopt'
+        java-version: '11'
+
+    - name: Build Core Module
+      run: |
+        cd core
+        ./gradlew build