Added inherits property to type annotation

| Q | A | ------------- | --- | Bug fix? | no | New feature? | yes | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Documented? | yes | Fixed tickets | - | License | MIT

I added the inherits property to the type annotation as an alternative to the interfaces logic

该提问来源于开源项目：overblog/GraphQLBundle