feat: add emoji-regex and remove-accents dependencies; enhance chat and setup pages

- Added `emoji-regex` and `remove-accents` packages to improve text processing capabilities.
- Implemented automatic Ollama startup in the chat page for better user experience.
- Enhanced setup page to include GPU selection based on hardware specifications.
- Updated chat input to support real-time validation and improved user feedback.
- Refactored message handling in chat to incorporate new processing features.

src-tauri/Cargo.toml

@@ -44,3 +44,4 @@ futures-util = "0.3"
 regex = "1.10"
 walkdir = "2.5"
 tauri-plugin-autostart = "2"
+dirs = "5.0"