Update .gitignore to include __pycache__; set config_class in Emuru model

.gitignore

@@ -3,4 +3,5 @@ test.py
 model.py
 visual_prompting.py
 test.png
-output.png
+output.png
+__pycache__

modeling_emuru.py

@@ -10,6 +10,7 @@ from typing import Optional, Tuple, List, Any
 from PIL import Image
 
 class Emuru(PreTrainedModel):
+    config_class = EmuruConfig
     """
     Emuru is a conditional generative model that integrates a T5-based decoder with a VAE
     for image generation conditioned on text and style images.
@@ -28,7 +29,6 @@ class Emuru(PreTrainedModel):
         z_rearrange (Rearrange): Layer to rearrange T5 outputs back to VAE latent dimensions.
         mse_criterion (nn.MSELoss): Mean squared error loss function.
     """
-    config_class = EmuruConfig
 
     def __init__(self, config: EmuruConfig) -> None:
         """