Update README.md

README.md

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 <a href="https://discord.gg/FUhJnnJ9"><img alt="LangFlow Repo" src="https://img.shields.io/badge/Discord-5865F2?style=for-the-badge&logo=discord&logoColor=white"/></a>
 <a href="https://github.com/logspace-ai/langflow" style="margin-left: 10px;"><img alt="LangFlow Repo" src="https://img.shields.io/badge/github-%23121011.svg?style=for-the-badge&logo=github&logoColor=white"/></a> 
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+---
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+⚠️ **Important Note for Hugging Face Spaces Users:** 
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+Hugging Face Spaces will not work directly with LangFlow due to security reasons with API keys. To use LangFlow on Hugging Face Spaces, follow these steps:
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+1. Fork the LangFlow space repository.
+2. Set the global variable `LANGFLOW_REMOVE_API_KEYS` to `false` in the space settings or remove it entirely.