text: const express = require("express");
  const { graphqlHTTP } = require("express-graphql");
  const app = express();
  
  const schema = require("./schema");
  
  app.use(
    "/graphql",
    graphqlHTTP({
      schema,
      graphiql: true,
    })
  );
  
  app.listen(4000);
  console.log("listening...");
  