This pull request integrates a "Deploy on RepoCloud" button into the README.md for LibreChat, further expanding the range of deployment options directly available to users and contributors.

Key Benefits:
- **Diverse Hosting Choices**: Offers an additional hosting choice that might be preferred due to RepoCloud's unique pricing model and scalability options, catering to different user needs and preferences.
- **Enhanced Visibility**: By presenting various deployment options, including RepoCloud, LibreChat appeals to a broader audience and demonstrates its versatility and adaptability.
- **Cost-Effective Alternative**: Provides the LibreChat community with a deployment option known for lower costs, potentially making it easier for contributors with limited budgets to participate.

Adding RepoCloud as an option emphasizes LibreChat's commitment to accessibility and user choice, enhancing the project's appeal and usability.