text: import { gql } from '@apollo/client';
  
  export const LOGIN_USER = gql`
      mutation login($email: String!, $password: String!) {
          login(email: $email, password: $password) {
              token
              user {
                      _id
                      username
                  }
          }
      }
  `;
  
  export const ADD_USER = gql`
      mutation addUser($username: String!, $email: String!, $password: String!) {
          addUser(username: $username, email: $email, password: $password) {
              token
              user {
                  _id
                  username
              }
          }
      }
  `;
  
  export const SAVE_BOOK = gql`
     mutation saveBook($content: BookInfo! ) {
         saveBook(content: $content){
             _id
             username
             savedBooks{
                 bookId
                 title
                 authors
                 description
                 image
                 link
             }
         }
     }
  `
  
  export const REMOVE_BOOK = gql`
      mutation removeBook($bookId: String!) {
          removeBook(bookId: $bookId) {
              _id
              username
              savedBooks{
                  bookId
                  title
              }
          }
      }
  `