regenerate samples and docs

Author: Picazsoo

docs/generators/kotlin-spring.md

@@ -74,6 +74,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |x-content-type|Specify custom value for 'Content-Type' header for operation|OPERATION|null
 |x-discriminator-value|Used with model inheritance to specify value for discriminator that identifies current model|MODEL|
 |x-field-extra-annotation|List of custom annotations to be added to property|FIELD, OPERATION_PARAMETER|null
+|x-operation-extra-annotation|List of custom annotations to be added to operation|OPERATION|null
 |x-pattern-message|Add this property whenever you need to customize the invalidation error message for the regex pattern of a variable|FIELD, OPERATION_PARAMETER|null
 |x-size-message|Add this property whenever you need to customize the invalidation error message for the size or length of a variable|FIELD, OPERATION_PARAMETER|null
 |x-minimum-message|Add this property whenever you need to customize the invalidation error message for the minimum value of a variable|FIELD, OPERATION_PARAMETER|null