Fix main class name

.forgejo/workflows/test.yml

@@ -28,7 +28,7 @@ jobs:
       restore-keys: |
         gradle-${{ runner.os }}-
    - name: Compile and run example
-     run: ./gradlew run
+     run: ./gradlew --no-daemon run
    - name: Save Gradle cache
      uses: actions/cache/save@v4
      with:

build.gradle

@@ -12,5 +12,5 @@ jar {
 }
 
 application {
-    mainClass.set("helloworld.Man")
+    mainClass.set("helloworld.Main")
 }