Adds support for proper requestBody examples. Adds mechanism to allow for adding additional ways to add request body examples

Can add externalValue or  it will work and produce valid swagger spec.

The Symbol name matching the let parameter is always required

test-app/spec/swagger_helper.rb

@@ -69,6 +69,16 @@ RSpec.configure do |config|
               required: %w[id headline]
           }
         },
+        examples: {
+            flexible_blog_example: {
+                summary: 'Sample example of a flexible blog',
+                value: {
+                    id:  1,
+                    headline: 'This is a headline',
+                    text: 'Some sample text'
+                }
+            }
+        },
         securitySchemes: {
           basic_auth: {
             type: :http,