Dead simple way to download a GraphQL schema and save it to a file
USAGE
$ npm i -g gql-schema-dl
$ gql-schema-dl [ENDPOINT]
ARGUMENTS
ENDPOINT URI to your GraphQL endpoint, ex: https://api.example.com/graphql
OPTIONS
-h, --help show CLI help
-o, --out=out [default: schema.graphql] File name of downloaded schema
-v, --version show CLI version