Use style=deepObject for query params by default

Author: krasnoukhov

lib/rspec_api_documentation/open_api/parameter.rb

@@ -7,7 +7,7 @@ class Parameter < Node
       add_setting :required, :default => lambda { |parameter| parameter.in.to_s == 'path' }
       add_setting :deprecated
       # add_setting :allowEmptyValue
-      # add_setting :style
+      add_setting :style
       # add_setting :explode
       # add_setting :allowReserved
       add_setting :schema, :schema => Schema

lib/rspec_api_documentation/writers/open_api_writer.rb

@@ -240,6 +240,7 @@ def extract_unknown_parameters(example)
             parameters.push(OpenApi::Parameter.new(
               name:     name,
               in:       :query,
+              style:    :deepObject,
               schema:   get_schema(value),
               example:  value
             ))