add sdxs to reference models

CHANGELOG.md

@@ -25,6 +25,10 @@
     > --control 'Canny:Canny FP16:0.7, OpenPose:OpenPose FP16:0.8' --type controlnet  
     > --ipadapter 'Plus:~/generative/Samples/cutie-512.png:0.5'  
   - Add API endpoint `/sdapi/v1/vqa` and CLI util `cli/simple-vqa.py`
+- **Models**:
+  - support for [SDXS](https://github.com/IDKiro/sdxs) 1-step generation models  
+    simply select from *networks -> models -> SDXS*  
+    set parameters: *sampler: CMSI, steps: 1, cfg_scale: 0.0*
 - **Changes**:
   - Removed built-in extensions: *ControlNet* and *Image-Browser*  
     as both *image-browser* and *controlnet* have native built-in equivalents  

html/reference.json

@@ -44,6 +44,12 @@
     "desc": "The TempestV0.1 Initiative is a powerhouse in image generation, leveraging an unparalleled dataset of over 6 million images. The collection's vast scale, with resolutions from 1400x2100 to 4800x7200, encompasses 200GB of high-quality content.",
     "extras": "width: 2048, height: 1024, sampler: DEIS, steps: 40, cfg_scale: 6.0"
   },
+  "SDXS DreamShaper 512": {
+    "path": "IDKiro/sdxs-512-dreamshaper",
+    "preview": "IDKiro--sdxs-512-dreamshaper.jpg",
+    "desc": "SDXS: Real-Time One-Step Latent Diffusion Models with Image Conditions",
+    "extras": "width: 512, height: 512, sampler: CMSI, steps: 1, cfg_scale: 0.0"
+  },
 
   "RunwayML SD 1.5": {
     "original": true,