feat: add new themes, Zed fonts, and sort theme/font lists

New themes added:
- Dark: Ayu Dark, Ayu Mirage, Ember, Matcha
- Light: Ayu Light, One Light, Bluloco, Feather

Other changes:
- Bundle Zed Sans and Zed Mono fonts from zed-industries/zed-fonts
- Sort font options alphabetically (default first)
- Sort theme options alphabetically (Dark/Light first)
- Improve Ayu Dark text contrast for better readability
- Fix Matcha theme to have green undertone instead of blue

apps/ui/src/app.tsx

@@ -8,6 +8,7 @@ import { useCursorStatusInit } from './hooks/use-cursor-status-init';
 import { useProviderAuthInit } from './hooks/use-provider-auth-init';
 import './styles/global.css';
 import './styles/theme-imports';
+import './styles/font-imports';
 
 const logger = createLogger('App');