feat: Implement UI enhancements and fix burst bug

src/services/settings.ts

@@ -21,6 +21,10 @@ export interface AppSettings {
   burstIntervalSec: number;  // seconds between burst shots
   // Welcome screen text
   welcomeText: string;
+  footerText: string;
+  // System
+  useFrontCamera: boolean;
+  enableLogs: boolean;
 }
 
 const settingsFile = new File(Paths.document, 'settings.json');
@@ -39,6 +43,9 @@ const DEFAULT_SETTINGS: AppSettings = {
   burstCount: 1,
   burstIntervalSec: 5,
   welcomeText: 'Willkommen zu unserer Feier!',
+  footerText: 'ZUM STARTEN TIPPEN • Fotos machen • Collage • Drucken',
+  useFrontCamera: false,
+  enableLogs: true,
 };
 
 /**