Add support for GraphQL schema of a module

[freezy-sk]

Is your feature request related to a problem? Please describe.

Describe the solution you'd like (*)

Added option to create new GraphQL schema file <module_name>/etc/schema.graphqls, when choosing to create new file in etc/

Describe alternatives you've considered

Additional context

[m2-assistant]

Hi @freezy-sk. Thank you for your report.
To speed up processing of this issue, make sure that you provided sufficient information.

Add a comment to assign the issue: @magento I am working on this

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[SilinMykola]

@magento I am working on this