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/html-encoding-sniffer/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "html-encoding-sniffer",
+  "description": "Sniff the encoding from a HTML byte stream",
+  "keywords": [
+    "encoding",
+    "html"
+  ],
+  "version": "3.0.0",
+  "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+  "license": "MIT",
+  "repository": "jsdom/html-encoding-sniffer",
+  "main": "lib/html-encoding-sniffer.js",
+  "files": [
+    "lib/"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "lint": "eslint ."
+  },
+  "dependencies": {
+    "whatwg-encoding": "^2.0.0"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.4.0",
+    "eslint": "^7.32.0",
+    "mocha": "^9.1.1"
+  },
+  "engines": {
+    "node": ">=12"
+  }
+}