fix(api): clean up redundant /api prefixes and fix swagger documentation

src/app/api/[[...slugs]]/_lib/user/index.ts

@@ -7,7 +7,7 @@ import userDelete from "./del"; // `delete` nggak boleh jadi nama file JS langsu
 import userUpdate from "./updt";
 import userDeleteAccount from "./delUser";
 
-const User = new Elysia({ prefix: "/api/user" })
+const User = new Elysia({ prefix: "/user" })
   .get("/findMany", userFindMany)
   .get("/findUnique/:id", userFindUnique)
   .put("/del/:id", userDelete, {

src/app/api/[[...slugs]]/_lib/user/role/index.ts

@@ -6,7 +6,7 @@ import roleFindUnique from "./findUnique";
 import roleUpdate from "./updt";
 
 const Role = new Elysia({
-    prefix: "/api/role",
+    prefix: "/role",
     tags: ["User / Role"],
 })