style: fix formatting and add newlines at end of files

backend/src/main/java/de/szut/casino/security/GoogleController.java

@@ -46,4 +46,4 @@ public class GoogleController {
         AuthResponseDto response = googleService.processGoogleCode(code);
         return ResponseEntity.ok(response);
     }
-}
+}

backend/src/main/java/de/szut/casino/security/GoogleService.java

@@ -161,4 +161,4 @@ public class GoogleService {
             throw new RuntimeException("Failed to process Google authentication", e);
         }
     }
-}
+}

backend/src/main/java/de/szut/casino/security/oauth2/GoogleOAuth2UserInfo.java

@@ -22,4 +22,4 @@ public class GoogleOAuth2UserInfo extends OAuth2UserInfo {
     public String getEmail() {
         return (String) attributes.get("email");
     }
-}
+}

frontend/src/app/app.routes.ts

@@ -39,7 +39,7 @@ export const routes: Routes = [
       import('./feature/auth/oauth2/oauth2-callback.component').then(
         (m) => m.OAuth2CallbackComponent
       ),
-    data: { provider: 'github' }
+    data: { provider: 'github' },
   },
   {
     path: 'oauth2/callback/google',
@@ -47,7 +47,7 @@ export const routes: Routes = [
       import('./feature/auth/oauth2/oauth2-callback.component').then(
         (m) => m.OAuth2CallbackComponent
       ),
-    data: { provider: 'google' }
+    data: { provider: 'google' },
   },
   {
     path: 'game/blackjack',

frontend/src/app/feature/auth/login/login.component.html

@@ -106,30 +106,26 @@
         </svg>
         Mit GitHub anmelden
       </button>
-      
+
       <button
         (click)="loginWithGoogle()"
         class="w-full py-2.5 px-4 rounded flex items-center justify-center bg-white hover:bg-gray-100 text-gray-800 transition-colors"
       >
-        <svg 
-          class="h-5 w-5 mr-2" 
-          xmlns="http://www.w3.org/2000/svg" 
-          viewBox="0 0 24 24"
-        >
+        <svg class="h-5 w-5 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
           <path
-            fill="#EA4335" 
+            fill="#EA4335"
             d="M5.266 9.765A7.077 7.077 0 0 1 12 4.909c1.69 0 3.218.6 4.418 1.582L19.91 3C17.782 1.145 15.055 0 12 0 7.27 0 3.198 2.698 1.24 6.65l4.026 3.115Z"
           />
-          <path 
-            fill="#34A853" 
+          <path
+            fill="#34A853"
             d="M16.04 18.013c-1.09.703-2.474 1.078-4.04 1.078a7.077 7.077 0 0 1-6.723-4.823l-4.04 3.067A11.965 11.965 0 0 0 12 24c2.933 0 5.735-1.043 7.834-3l-3.793-2.987Z"
           />
-          <path 
-            fill="#4A90E2" 
+          <path
+            fill="#4A90E2"
             d="M19.834 21c2.195-2.048 3.62-5.096 3.62-9 0-.71-.109-1.473-.272-2.182H12v4.637h6.436c-.317 1.559-1.17 2.766-2.395 3.558L19.834 21Z"
           />
-          <path 
-            fill="#FBBC05" 
+          <path
+            fill="#FBBC05"
             d="M5.277 14.268A7.12 7.12 0 0 1 4.909 12c0-.782.125-1.533.357-2.235L1.24 6.65A11.934 11.934 0 0 0 0 12c0 1.92.445 3.73 1.237 5.335l4.04-3.067Z"
           />
         </svg>