Update custom-node-list.json (#1453)

Add ComfyUI-PromptOptimizer

Author: ciga2011

custom-node-list.json

@@ -19976,6 +19976,17 @@
             ],
             "install_type": "unzip",
             "description": "This is a node to convert an image into a CMYK Halftone dot image."
+        },
+        {
+            "author": "ciga2011",
+            "title": "ComfyUI Prompt Optimizer",
+            "id": "promptoptimizer",
+            "reference": "https://github.com/ciga2011/ComfyUI-PromptOptimizer",
+            "files": [
+                "https://github.com/ciga2011/ComfyUI-PromptOptimizer"
+            ],
+            "install_type": "git-clone",
+            "description": "Optimize prompts for text-to-image models at no cost."
         }  
     ]
 }