Support for Gemini & Anthropic models and improvements

New Features

• New AI Providers: Support for Gemini and Anthropic models
• Custom Thinking Blocks: You can now use special <thinking> blocks in Markdown to format thoughts or ideas more clearly.

Improvements

• Better Chat Experience: Behind-the-scenes upgrades to make conversations smoother and more flexible.
• UI Enhancements: Cleaner layouts, improved styling, and more intuitive controls across chat and document areas.
• Smarter File Handling: The file manager now offers better tools for organizing and working with documents.
• Language Model Editor Updates: More options and clearer controls for managing your AI models.