Initial but untested support for qwen_image

extensions_built_in/diffusion_models/__init__.py

@@ -4,6 +4,7 @@ from .f_light import FLiteModel
 from .omnigen2 import OmniGen2Model
 from .flux_kontext import FluxKontextModel
 from .wan22 import Wan22Model
+from .qwen_image import QwenImageModel
 
 AI_TOOLKIT_MODELS = [
     # put a list of models here
@@ -14,4 +15,5 @@ AI_TOOLKIT_MODELS = [
     OmniGen2Model,
     FluxKontextModel,
     Wan22Model,
+    QwenImageModel,
 ]