feat: create actions workflow to build application and run tests

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: Person Manager CI Flow
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: maven
+
+    - name: Build
+      run: mvn package
+
+    - name: Run tests
+      run: mvn test