Update app configuration and documentation for Hugging Face deployment

Add personal website link to author name in header

Update system prompt with new protocols and improve app interface. Changes include: - Add Firearms Protocol - Add Homicidal Mentions Protocol - Add System Interruption Protocol - Update Try It Out section with detailed explanation - Convert we language to I language throughout

Load system prompt from file during chat session initialization; added error handling for file not found and other exceptions.

Initial commit