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/addHours.js

@@ -0,0 +1,28 @@
+"use strict";
+exports.addHours = addHours;
+var _index = require("./addMilliseconds.js");
+var _index2 = require("./constants.js");
+
+/**
+ * @name addHours
+ * @category Hour Helpers
+ * @summary Add the specified number of hours to the given date.
+ *
+ * @description
+ * Add the specified number of hours to the given date.
+ *
+ * @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).
+ *
+ * @param date - The date to be changed
+ * @param amount - The amount of hours to be added.
+ *
+ * @returns The new date with the hours added
+ *
+ * @example
+ * // Add 2 hours to 10 July 2014 23:00:00:
+ * const result = addHours(new Date(2014, 6, 10, 23, 0), 2)
+ * //=> Fri Jul 11 2014 01:00:00
+ */
+function addHours(date, amount) {
+  return (0, _index.addMilliseconds)(date, amount * _index2.millisecondsInHour);
+}