backend allow room filter by id for single rooms

backend/src/graphql/rooms.ts

@@ -13,8 +13,8 @@ export const createRoomMutation = () => {
 
 export const roomQuery = () => {
   return gql`
-    query {
-      Room {
+    query Room($first: Int, $offset: Int, $id: ID) {
+      Room(first: $first, offset: $offset, id: $id) {
         id
         roomId
         roomName

backend/src/schema/types/type/Room.gql

@@ -24,5 +24,5 @@ type Mutation {
 }
 
 type Query {
-  Room: [Room]
+  Room(id: ID): [Room]
 }