chore: move toApiLang util to hotel trpc folder

server/routers/hotels/query.ts

@@ -5,6 +5,7 @@ import { publicProcedure, router } from "@/server/trpc"
 import { getHotelInputSchema } from "./input"
 import { getHotelDataSchema } from "./output"
 import tempHotelData from "./tempHotelData.json"
+import { toApiLang } from "./utils"
 
 export const hotelQueryRouter = router({
   getHotel: publicProcedure
@@ -13,8 +14,9 @@ export const hotelQueryRouter = router({
       const { hotelId, language } = input
 
       const params = new URLSearchParams()
+      const apiLang = toApiLang(language)
       params.set("hotelId", hotelId.toString())
-      params.set("language", language.toString())
+      params.set("language", apiLang)
 
       // TODO: Enable once we have authorized API access.
       // const apiResponse = await api.get(