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/isMonday.mjs

@@ -0,0 +1,27 @@
+import { toDate } from "./toDate.mjs";
+
+/**
+ * @name isMonday
+ * @category Weekday Helpers
+ * @summary Is the given date Monday?
+ *
+ * @description
+ * Is the given date Monday?
+ *
+ * @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 check
+ *
+ * @returns The date is Monday
+ *
+ * @example
+ * // Is 22 September 2014 Monday?
+ * const result = isMonday(new Date(2014, 8, 22))
+ * //=> true
+ */
+export function isMonday(date) {
+  return toDate(date).getDay() === 1;
+}
+
+// Fallback for modularized imports:
+export default isMonday;