Community converts Krea2 and Qwen-Image models to INT4 for ComfyUI

User ariaotp converted Krea2 (Turbo and Raw) and Qwen-Image models to INT4 ConvRot W4A4 format for ComfyUI. The conversions include Qwen-Image 2512, Qwen-Image-Edit 2511, and FireRed-Image-Edit 1.1 models.