Normalize README folder tree formatting (#5)

- Normalize README folder tree formatting (b5572809e11e5dd5aaf105e1953a2b4f21391868)

README.md

@@ -10,9 +10,10 @@ Repackaged model files for ComfyUI.
 Place the files in the following folders:
 
 ```
-ComfyUI/models
-└── checkpoints
-    └── ace_step_v1_3.5b.safetensors
+📂 ComfyUI/
+├── 📂 models/
+│   ├── 📂 checkpoints/
+│   │   └── ace_step_v1_3.5b.safetensors
 ```
 
 ---