[PowerShell] improve return type documentation (#9295)

* revise return type doc

* revise return type doc

Author: wing328

modules/openapi-generator/src/main/resources/powershell/api_doc.mustache

@@ -78,8 +78,8 @@ Name | Type | Description  | Notes
 {{/allParams}}
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-{{#returnType}}{{#returnTypeIsPrimitive}}**{{{returnType}}}**{{/returnTypeIsPrimitive}}{{^returnTypeIsPrimitive}}[**{{{returnType}}}**]({{returnBaseType}}.md){{/returnTypeIsPrimitive}}{{/returnType}}{{^returnType}}void (empty response body){{/returnType}}
+
+{{#returnType}}{{#returnTypeIsPrimitive}}**{{{returnType}}}**{{/returnTypeIsPrimitive}}{{^returnTypeIsPrimitive}}[**{{{returnType}}}**]({{returnBaseType}}.md) (PSCustomObject){{/returnTypeIsPrimitive}}{{/returnType}}{{^returnType}}void (empty response body){{/returnType}}
 
 ### Authorization
 

samples/client/petstore/powershell/docs/PSPetApi.md

@@ -46,8 +46,8 @@ Name | Type | Description  | Notes
  **Pet** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Pet**](Pet.md)
+
+[**Pet**](Pet.md) (PSCustomObject)
 
 ### Authorization
 
@@ -95,7 +95,7 @@ Name | Type | Description  | Notes
  **ApiKey** | **String**|  | [optional] 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -143,8 +143,8 @@ Name | Type | Description  | Notes
  **Status** | [**String[]**](String.md)| Status values that need to be considered for filter | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Pet[]**](Pet.md)
+
+[**Pet[]**](Pet.md) (PSCustomObject)
 
 ### Authorization
 
@@ -191,8 +191,8 @@ Name | Type | Description  | Notes
  **Tags** | [**String[]**](String.md)| Tags to filter by | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Pet[]**](Pet.md)
+
+[**Pet[]**](Pet.md) (PSCustomObject)
 
 ### Authorization
 
@@ -241,8 +241,8 @@ Name | Type | Description  | Notes
  **PetId** | **Int64**| ID of pet to return | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Pet**](Pet.md)
+
+[**Pet**](Pet.md) (PSCustomObject)
 
 ### Authorization
 
@@ -287,8 +287,8 @@ Name | Type | Description  | Notes
  **Pet** | [**Pet**](Pet.md)| Pet object that needs to be added to the store | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Pet**](Pet.md)
+
+[**Pet**](Pet.md) (PSCustomObject)
 
 ### Authorization
 
@@ -339,7 +339,7 @@ Name | Type | Description  | Notes
  **Status** | **String**| Updated status of the pet | [optional] 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -391,8 +391,8 @@ Name | Type | Description  | Notes
  **File** | **System.IO.FileInfo****System.IO.FileInfo**| file to upload | [optional] 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**ApiResponse**](ApiResponse.md)
+
+[**ApiResponse**](ApiResponse.md) (PSCustomObject)
 
 ### Authorization
 

samples/client/petstore/powershell/docs/PSStoreApi.md

@@ -39,7 +39,7 @@ Name | Type | Description  | Notes
  **OrderId** | **String**| ID of the order that needs to be deleted | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -84,7 +84,7 @@ try {
 This endpoint does not need any parameter.
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 **System.Collections.Hashtable**
 
 ### Authorization
@@ -127,8 +127,8 @@ Name | Type | Description  | Notes
  **OrderId** | **Int64**| ID of pet that needs to be fetched | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Order**](Order.md)
+
+[**Order**](Order.md) (PSCustomObject)
 
 ### Authorization
 
@@ -168,8 +168,8 @@ Name | Type | Description  | Notes
  **Order** | [**Order**](Order.md)| order placed for purchasing the pet | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**Order**](Order.md)
+
+[**Order**](Order.md) (PSCustomObject)
 
 ### Authorization
 

samples/client/petstore/powershell/docs/PSUserApi.md

@@ -50,7 +50,7 @@ Name | Type | Description  | Notes
  **User** | [**User**](User.md)| Created user object | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -98,7 +98,7 @@ Name | Type | Description  | Notes
  **User** | [**User[]**](User.md)| List of user object | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -146,7 +146,7 @@ Name | Type | Description  | Notes
  **User** | [**User[]**](User.md)| List of user object | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -196,7 +196,7 @@ Name | Type | Description  | Notes
  **Username** | **String**| The name that needs to be deleted | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -237,8 +237,8 @@ Name | Type | Description  | Notes
  **Username** | **String**| The name that needs to be fetched. Use user1 for testing. | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
-[**User**](User.md)
+
+[**User**](User.md) (PSCustomObject)
 
 ### Authorization
 
@@ -281,7 +281,7 @@ Name | Type | Description  | Notes
  **Password** | **String**| The password for login in clear text | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 **String**
 
 ### Authorization
@@ -324,7 +324,7 @@ try {
 This endpoint does not need any parameter.
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization
@@ -377,7 +377,7 @@ Name | Type | Description  | Notes
  **User** | [**User**](User.md)| Updated user object | 
 
 ### Return type
-# cmdlet returns PSCustomObject, the return object contains the properties of below type
+
 void (empty response body)
 
 ### Authorization