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/embla-carousel/components/Plugins.d.ts

@@ -0,0 +1,16 @@
+import { CreateOptionsType, LooseOptionsType } from './Options';
+import { EmblaCarouselType } from './EmblaCarousel';
+import { OptionsHandlerType } from './OptionsHandler';
+export type LoosePluginType = {
+    [key: string]: unknown;
+};
+export type CreatePluginType<TypeA extends LoosePluginType, TypeB extends LooseOptionsType> = TypeA & {
+    name: string;
+    options: Partial<CreateOptionsType<TypeB>>;
+    init: (embla: EmblaCarouselType, OptionsHandler: OptionsHandlerType) => void;
+    destroy: () => void;
+};
+export interface EmblaPluginsType {
+    [key: string]: CreatePluginType<LoosePluginType, {}>;
+}
+export type EmblaPluginType = EmblaPluginsType[keyof EmblaPluginsType];