Move example project workflow to parent, add build scripts and sonar

WE2-932

Signed-off-by: Sven Mitt <svenzik@users.noreply.github.com>

Author: svenzik

example/.github/workflows/maven-build.yml renamed to .github/workflows/maven-build-example.yml

@@ -1,6 +1,18 @@
-name: Maven build
+name: Maven build example
 
-on: [ push, pull_request ]
+on:
+  push:
+    paths:
+      - 'example/**'
+      - '.github/workflows/*example*'
+  pull_request:
+    paths:
+      - 'example/**'
+      - '.github/workflows/*example*'
+
+defaults:
+  run:
+    working-directory: ./example
 
 jobs:
   build:
@@ -26,3 +38,4 @@ jobs:
 
       - name: Test and package
         run: mvn --batch-mode package
+

.github/workflows/maven-build.yml

@@ -1,6 +1,14 @@
 name: Maven build
 
-on: [ push, pull_request ]
+on:
+  push:
+    paths-ignore:
+      - 'example/**'
+      - '.github/workflows/*example*'
+  pull_request:
+    paths-ignore:
+      - 'example/**'
+      - '.github/workflows/*example*'
 
 jobs:
   build:

.github/workflows/sonarcloud-analysis.yml

@@ -1,6 +1,14 @@
 name: SonarCloud code analysis
 
-on: [push, pull_request]
+on:
+  push:
+    paths-ignore:
+      - 'example/**'
+      - '.github/workflows/*example*'
+  pull_request:
+    paths-ignore:
+      - 'example/**'
+      - '.github/workflows/*example*'
 
 jobs:
   analyze: