/api/category, /api/directory, /api/file 아래의 대부분의 Endpoint들을 tRPC로 마이그레이션

src/trpc/routers/index.ts

@@ -1,4 +1,7 @@
+export { default as categoryRouter } from "./category";
 export { default as clientRouter } from "./client";
+export { default as directoryRouter } from "./directory";
+export { default as fileRouter } from "./file";
 export { default as hskRouter } from "./hsk";
 export { default as mekRouter } from "./mek";
 export { default as userRouter } from "./user";