message: update demo to show use cases
diff: @@ -75,6 +75,14 @@ tags:
  - name: user
  description: Operations about user
  + - name: pet_model
  + x-displayName: The Pet Model
  + description: |
  + <object-description schemaRef="#/components/schemas/Pet" />
  + - name: store_model
  + x-displayName: The Order Model
  + description: |
  + <object-description schemaRef="#/components/schemas/Order" examplesRef="#/components/examples/Order" showReadOnly={true} showWriteOnly={true} />
  x-tagGroups:
  - name: General
  tags:
  @@ -83,6 +91,10 @@ x-tagGroups:
  - name: User Management
  tags:
  - user
  + - name: Models
  + tags:
  + - pet_model
  + - store_model
  paths:
  /pet:
  parameters:
  @@ -766,6 +778,11 @@ components:
  description: Indicates whenever order was completed or not
  type: boolean
  default: false
  + readOnly: true
  + rqeuestId:
  + description: Unique Request Id
  + type: string
  + writeOnly: true
  xml:
  name: Order
  Pet:
  