Normalize README folder tree formatting

README.md

@@ -8,9 +8,10 @@ Repackaged model files for ComfyUI.
 Place the files in the following folders:
 
 ```
-ComfyUI/models
-└── diffusion_models
-    └── causal_forcing-framewise.safetensors
+📂 ComfyUI/
+├── 📂 models/
+│   ├── 📂 diffusion_models/
+│   │   └── causal_forcing-framewise.safetensors
 ```
 
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