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/strip-indent/index.js

@@ -0,0 +1,14 @@
+'use strict';
+const minIndent = require('min-indent');
+
+module.exports = string => {
+	const indent = minIndent(string);
+
+	if (indent === 0) {
+		return string;
+	}
+
+	const regex = new RegExp(`^[ \\t]{${indent}}`, 'gm');
+
+	return string.replace(regex, '');
+};