v1.9.1: Fix 4 critical bugs from sed operations

- apiRoutes.js: Moved imports outside comment block (caused 500 on all endpoints)
- test.js: Deleted orphaned duplicate code after function close
- random.controller.js: Removed stray closing brace breaking try/catch
- cache.helper.js: Added missing MAX_CACHE_SIZE constant

These bugs were introduced by sed insert commands placing code in wrong positions.
The API was returning 500 FUNCTION_INVOCATION_FAILED on all endpoints.

src/routes/apiRoutes.js

@@ -1,8 +1,5 @@
 /*
  * ======= • ======= • ======= • ======= • =======• =======
-import { createRequire } from "module";
-const require = createRequire(import.meta.url);
-const { version } = require("../package.json");
  * AniKotoAPI — apiRoutes.js
  * Repository: https://github.com/Shineii86/AniKotoAPI
  *
@@ -18,6 +15,10 @@ const { version } = require("../package.json");
  * @license MIT
  * ======= • ======= • ======= • ======= • =======• =======
  */
+import { createRequire } from "module";
+const require = createRequire(import.meta.url);
+const { version } = require("../package.json");
+
 
 import { getHomeInfo } from "../controllers/homeInfo.controller.js";
 import { getAnimeInfo } from "../controllers/animeInfo.controller.js";