Add a QuickFix for GraphQL schema inspection

[VitaliyBoyko]

If resolver does not exist, there should be available a Quick Fix for adding it using com.magento.idea.magento2plugin.actions.generation.generator.ModuleGraphQlResolverClassGenerator.

[drpayyne]

Hi @konarshankar07 are you working on this issue? If not, I'd like to work on this. Thank you!

[drpayyne]

@magento I am working on this