Refactor App layout and introduce new components for improved organization

- Replaced the main layout in App component with AppFrame for better structure.
- Introduced MainEditor component to encapsulate the main editing interface, including ProfileList and HistoryTable.
- Added ModelsTab component to manage model-related functionalities.
- Updated Sidebar to include a new Models tab for navigation.
- Removed unused components and streamlined the layout for enhanced user experience.

app/src/components/AppFrame/AppFrame.tsx

@@ -0,0 +1,16 @@
+import { TitleBarDragRegion } from '@/components/TitleBarDragRegion';
+import { AudioPlayer } from '@/components/AudioPlayer/AudioPlayer';
+
+interface AppFrameProps {
+  children: React.ReactNode;
+}
+
+export function AppFrame({ children }: AppFrameProps) {
+  return (
+    <div className="h-screen bg-background flex flex-col overflow-hidden pt-12">
+      <TitleBarDragRegion />
+      {children}
+      <AudioPlayer />
+    </div>
+  );
+}