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/resolve/example/async.js

@@ -0,0 +1,5 @@
+var resolve = require('../');
+resolve('tap', { basedir: __dirname }, function (err, res) {
+    if (err) console.error(err);
+    else console.log(res);
+});

node_modules/resolve/example/sync.js

@@ -0,0 +1,3 @@
+var resolve = require('../');
+var res = resolve.sync('tap', { basedir: __dirname });
+console.log(res);