[Doctest] Add `configuration_nezha.py` (#19810)

* [Doctest] Add `configuration_nezha.py`

* Revert line order

src/transformers/models/nezha/configuration_nezha.py

@@ -57,13 +57,12 @@ class NezhaConfig(PretrainedConfig):
     >>> # Initializing an Nezha configuration
     >>> configuration = NezhaConfig()
 
-    >>> # Initializing a model from the Nezha-base style configuration model
+    >>> # Initializing a model (with random weights) from the Nezha-base style configuration model
     >>> model = NezhaModel(configuration)
 
     >>> # Accessing the model configuration
     >>> configuration = model.config
     ```"""
-
     pretrained_config_archive_map = NEZHA_PRETRAINED_CONFIG_ARCHIVE_MAP
     model_type = "nezha"
 

utils/documentation_tests.txt

@@ -97,6 +97,7 @@ src/transformers/models/mobilebert/modeling_mobilebert.py
 src/transformers/models/mobilebert/modeling_tf_mobilebert.py
 src/transformers/models/mobilevit/modeling_mobilevit.py
 src/transformers/models/mobilevit/modeling_tf_mobilevit.py
+src/transformers/models/nezha/configuration_nezha.py
 src/transformers/models/openai/configuration_openai.py 
 src/transformers/models/opt/configuration_opt.py
 src/transformers/models/opt/modeling_opt.py