Support all scalar/definition types

[samueljoli]

Support all scalar/definition types in type-dictionary

Scalar

• GraphQLInt,
• GraphQLFloat,
• GraphQLString,
• GraphQLBoolean,
• GraphQLID

Definitions

• GraphQLScalarType,
• GraphQLObjectType,
• GraphQLInterfaceType,
• GraphQLUnionType,
• GraphQLEnumType,
• GraphQLInputObjectType,
• GraphQLList,
• GraphQLNonNull,
• GraphQLDirective,

[samueljoli]

Interface and Union Types:

https://stackoverflow.com/questions/34726666/real-world-example-of-graphqlinterfacetype-and-graphqluniontype