Update README.md

Author: devgopher

README.md

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 # Botticelli 🤖 – Universal .NET Framework for AI-Powered Bots
 
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 Build smart chatbots in minutes for Telegram, WhatsApp, and beyond.  
 Seamless integration with ChatGPT, DeepSeek, YandexGPT, databases, queues, speech, and scheduling.  
 Fully open-source · Cross-platform