v1.8.0: Full diagnostic sweep - 20 bugs fixed

Critical fixes:
- extractPages.helper.js: Pagination URL bug (?page → &page)
- package.json: Fixed invalid dep versions (axios, dotenv, express)
- privacy.html + tos.html: Broken footer links (//tos → /tos)
- manifest.json: Invalid icon purpose (any maskable → maskable)

High fixes:
- server.js: Removed duplicate CORS middleware (triple → single)
- search.controller.js: Cache key collision with suggestion controller
- apiRoutes.js: Dynamic endpoint count (was hardcoded 27)
- vercel.json: Removed duplicate CORS header

Medium fixes:
- header.config.js: Updated User-Agent to Chrome 130
- dataUrl.js: Removed redundant domain from ALT_DOMAINS
- category.extractor.js: Removed unused cheerio import
- server.js: Added __dirname, removed unused cors import

Documentation:
- CHANGELOG.md: Added v1.8.0 entry
- README.md: Updated version badges (1.8.0, Express 4.21)
- test.js: Fixed status endpoint (currently-airing → airing)

package.json

@@ -1,26 +1,26 @@
 {
   "name": "AniKotoAPI",
-  "version": "1.7.3",
+  "version": "1.8.0",
   "description": "A restful API to provide all information about anime from anikototv.to",
   "main": "./server.js",
   "scripts": {
     "start": "node ./server.js",
     "dev": "nodemon server.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "node test.js"
   },
   "author": "Sʜɪɴᴇɪ Nᴏᴜᴢᴇɴ",
   "license": "MIT",
   "dependencies": {
-    "axios": "^1.11.0",
+    "axios": "^1.7.0",
     "cheerio": "^1.0.0-rc.12",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",
-    "dotenv": "^17.2.0",
-    "express": "^5.2.1"
+    "dotenv": "^16.4.0",
+    "express": "^4.21.0"
   },
   "type": "module",
   "devDependencies": {
-    "nodemon": "^3.1.10"
+    "nodemon": "^3.1.0"
   },
   "repository": {
     "type": "git",