Add required request params to metadata

[Alexey2257]

This PR adds ability to specify required request params in metadarta

[exoego]

Thanks for your contribution!
With this change, required: false will be added to existing query parameters unless users specify required_request_params.
That new behavior might be a breaking change.
But I assume that new behavior is preferred since query parameters are optional in most cases, IMHO.

I requested a small change.

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[Alexey2257]

Thanks for your contribution! With this change, required: false will be added to existing query parameters unless users specify required_request_params. That new behavior might be a breaking change. But I assume that new behavior is preferred since query parameters are optional in most cases, IMHO.

I requested a small change.

Thanks for your review! Adding "required: false" everywhere shouldn't be breaking change because OpenApi specification suggests that this parameter is default to "false" when omitted. But if you wish to preserve previous behavior we can change code to something like this so required key wouldn't be present when it is not true

parameters << {
  name: build_parameter_name(key, value),
  in: 'query',
  schema: build_property(try_cast(value)),
  example: (try_cast(value) if example_enabled?),
}.tap do |hash|
  hash[:required] = true if record.required_request_params.include?(key)
end.compact

[exoego]

Sorry for late response.
LGTM 👍