Add comprehensive CSS styles for the MCP Marketplace interface, including card hover effects, responsive grid layout, modal backdrop blur, category badges, rating stars, install buttons, and loading animations. Also include custom scrollbar styling for the model selector to enhance user experience and visual consistency.
- Update .gitignore to exclude database files, extensions, and .cursor directory
- Enhance chat streaming API with safe enqueue and close functions to prevent errors
- Integrate ConversationSidebar component into ClientHome for better UI
- Add dependencies like better-sqlite3 and esbuild packages for database functionality
This commit introduces database persistence for conversations, improves error handling in streaming responses, and adds a sidebar for managing chats, enhancing overall app robustness and user experience.