Add to GitHub Actions CI

Author: jzheaux

.github/workflows/continuous-integration-build.yml

@@ -0,0 +1,13 @@
+name: CI Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    uses: spring-guides/getting-started-macros/.github/workflows/build_initial_complete_maven_gradle.yml@main