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/date-fns/endOfYesterday.d.ts

@@ -0,0 +1,19 @@
+/**
+ * @name endOfYesterday
+ * @category Day Helpers
+ * @summary Return the end of yesterday.
+ * @pure false
+ *
+ * @description
+ * Return the end of yesterday.
+ *
+ * @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
+ *
+ * @returns The end of yesterday
+ *
+ * @example
+ * // If today is 6 October 2014:
+ * const result = endOfYesterday()
+ * //=> Sun Oct 5 2014 23:59:59.999
+ */
+export declare function endOfYesterday(): Date;