Quote modules

Complete golang import statement.

Input

import
    encoding/json
    fmt
    math/rand
    net/http
    time

    github.com/graphql-go/graphql

Output

import (
    "encoding/json"
    "fmt"
    "math/rand"
    "net/http"
    "time"

    "github.com/graphql-go/graphql"
)