Use $id/id field to name child types

[Woodz]

• I'm submitting a ...
  [ ] bug report
  [X] feature request
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• Summary
  Currently, it looks like $id field is used to name the top-level type, but child types are automatically named (e.g. numerical suffix for oneOf, etc). It would be nice to be able to name child types based on $id field as per the top-level type

• Other information (e.g. detailed explanation, stacktraces, related issues, suggestions how to fix, links for us to have context, eg. StackOverflow, personal fork, etc.)