docs: add installation troubleshooting (#41)

README.md

@@ -89,8 +89,8 @@ If there are problems with the latest ComfyUI package, one can use the last test
 python -m pip install --no-build-isolation git+https://github.com/hiddenswitch/ComfyUI.git@e49c662c7f026f05a5e082d48b629e2b977c0441
 ```
 
-### Other ways
-ComfyScript can also be used without installed ComfyUI. See [only ComfyScript package](docs/README.md#only-comfyscript-package) for details. And see [uninstallation](docs/README.md#uninstallation) for how to uninstall.
+### Others
+See [troubleshooting](docs/README.md#troubleshooting) if you encountered any problems. To use ComfyScript without installed ComfyUI, see [only ComfyScript package](docs/README.md#only-comfyscript-package) for details. To uninstall, see [uninstallation](docs/README.md#uninstallation).
 
 ## Transpiler
 The transpiler can translate ComfyUI's workflows to ComfyScript.

docs/README.md

@@ -39,6 +39,19 @@ import comfy_script
 
 </details>
 
+### Troubleshooting
+#### ERROR: File "setup.py" or "setup.cfg" not found
+Run `python -m pip install -U pip` to update pip.
+
+#### ModuleNotFoundError: No module named 'hatchling'
+Run `python -m pip install hatchling` . See [#41](https://github.com/Chaoses-Ib/ComfyScript/issues/41) for details.
+
+#### ModuleNotFoundError: No module named 'editables'
+Run `python -m pip install editables` . See [#41](https://github.com/Chaoses-Ib/ComfyScript/issues/41) for details.
+
+#### ModuleNotFoundError: No module named 'comfy_extras.nodes_model_merging'
+Installing ComfyUI package in the same venv used by official ComfyUI will break the official ComfyUI. Uninstalling ComfyUI package by `python -m pip uninstall comfyui` can fix this problem. See [ComfyUI#3702](https://github.com/comfyanonymous/ComfyUI/issues/3702) for details.
+
 ### Uninstallation
 ```sh
 python -m pip uninstall comfy-script