text: import gql from 'graphql-tag';
  
  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
        }
      }
    }
  `;