Implement Graphql editor

[marla-singer]

As anyone knows, GraphQL has become popular. For example, GitHub has used graphql.

• [x] Integrate a graphql editor in Meteor project. https://github.com/graphql/graphiql https://www.npmjs.com/package/graphiql

• [x] Provide a convertor from Swagger to GraphQL https://github.com/yarax/swagger-to-graphql https://medium.com/@raxwunter/moving-existing-api-from-rest-to-graphql-205bab22c184 https://www.npmjs.com/package/swagger-to-graphql

• [ ] Prepare video about work

[marla-singer]

The first step is done

Temporary repo: https://github.com/marla-singer/exp-monday

[marla-singer]

The second step is done