Adds spec additionalProperties + nullable examples (#2405)

* Adds v2 spec additionalproperties examples, adds v3 spec nulllable model example, updates samples

* Remaining samples updates

* Adds csharp generator update to handle models with multilevel parent types, which works for the AdditionalPropertiesObject model, samples updated

samples/client/petstore/ruby/docs/AdditionalPropertiesAnyType.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesAnyType
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesAnyType.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesArray.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesArray
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesArray.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesBoolean.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesBoolean
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesBoolean.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesClass.md

@@ -3,16 +3,34 @@
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**map_property** | **Hash<String, String>** |  | [optional] 
-**map_of_map_property** | **Hash<String, Hash<String, String>>** |  | [optional] 
+**map_string** | **Hash<String, String>** |  | [optional] 
+**map_number** | **Hash<String, Float>** |  | [optional] 
+**map_integer** | **Hash<String, Integer>** |  | [optional] 
+**map_boolean** | **Hash<String, BOOLEAN>** |  | [optional] 
+**map_array_integer** | **Hash<String, Array<Integer>>** |  | [optional] 
+**map_array_anytype** | **Hash<String, Array<Object>>** |  | [optional] 
+**map_map_string** | **Hash<String, Hash<String, String>>** |  | [optional] 
+**map_map_anytype** | **Hash<String, Hash<String, Object>>** |  | [optional] 
+**anytype_1** | [**Object**](.md) |  | [optional] 
+**anytype_2** | [**Object**](.md) |  | [optional] 
+**anytype_3** | [**Object**](.md) |  | [optional] 
 
 ## Code Sample
 
 ```ruby
 require 'Petstore'
 
-instance = Petstore::AdditionalPropertiesClass.new(map_property: null,
-                                 map_of_map_property: null)
+instance = Petstore::AdditionalPropertiesClass.new(map_string: null,
+                                 map_number: null,
+                                 map_integer: null,
+                                 map_boolean: null,
+                                 map_array_integer: null,
+                                 map_array_anytype: null,
+                                 map_map_string: null,
+                                 map_map_anytype: null,
+                                 anytype_1: null,
+                                 anytype_2: null,
+                                 anytype_3: null)
 ```
 
 

samples/client/petstore/ruby/docs/AdditionalPropertiesInteger.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesInteger
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesInteger.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesNumber.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesNumber
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesNumber.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesObject.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesObject
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesObject.new(name: null)
+```
+
+

samples/client/petstore/ruby/docs/AdditionalPropertiesString.md

@@ -0,0 +1,16 @@
+# Petstore::AdditionalPropertiesString
+
+## Properties
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**name** | **String** |  | [optional] 
+
+## Code Sample
+
+```ruby
+require 'Petstore'
+
+instance = Petstore::AdditionalPropertiesString.new(name: null)
+```
+
+