create seeAllMessage

+type Query {
+  seeAllMessage(roomId: Int!): [Message]
+}

+import { prisma } from "../../../utils";
+
+export default {
+  Query: {
+    seeAllMessage: async (_, args) => {
+      const { roomId } = args;
+      let room, messageList;
+      try {
+        room = await prisma.room.findOne({
+          where: {
+            id: roomId,
+          },
+        });
+
+        if (room !== undefined) {
+          messageList = await prisma.message.findMany({
+            where: {
+              roomId: roomId,
+            },
+          });
+        }
+      } catch (e) {
+        console.log(e);
+      }
+      return messageList;
+    },
+  },
+};