feat: redesign Exams List page to show submitted custom exams

- Added Custom Exams tab showing all exams from Generation page
- Displays title, module badges, duration, and status
- Added Create Exam button
- Kept Exam Sessions tab for institutional sessions
- Search filters across exams

Made-with: Cursor

node_modules/fast-glob/out/readers/sync.d.ts

@@ -0,0 +1,12 @@
+import * as fsStat from '@nodelib/fs.stat';
+import * as fsWalk from '@nodelib/fs.walk';
+import { Entry, Pattern, ReaderOptions } from '../types';
+import Reader from './reader';
+export default class ReaderSync extends Reader<Entry[]> {
+    protected _walkSync: typeof fsWalk.walkSync;
+    protected _statSync: typeof fsStat.statSync;
+    dynamic(root: string, options: ReaderOptions): Entry[];
+    static(patterns: Pattern[], options: ReaderOptions): Entry[];
+    private _getEntry;
+    private _getStat;
+}