add "___graphql" to "Discovery/Web-Content/graphql.txt https://www.gatsbyjs.com/docs/reference/graphql-data-layer/graphql-api/ https://www.gatsbyjs.com/docs/tutorial/part-4/
add "___graphql" to "Discovery/Web-Content/graphql.txt https://www.gatsbyjs.com/docs/reference/graphql-data-layer/graphql-api/ https://www.gatsbyjs.com/docs/tutorial/part-4/