feat: enhance terminal functionality and settings

- Added new endpoints for terminal settings: GET and PUT /settings to retrieve and update terminal configurations.
- Implemented session limit checks during session creation, returning a 429 status when the limit is reached.
- Introduced a new TerminalSection in settings view for customizing terminal appearance and behavior, including font family, default font size, line height, and screen reader mode.
- Added support for new terminal features such as search functionality and improved error handling with a TerminalErrorBoundary component.
- Updated terminal layout persistence to include session IDs for reconnection and enhanced terminal state management.
- Introduced new keyboard shortcuts for terminal actions, including creating new terminal tabs.
- Enhanced UI with scrollbar theming for terminal components.

apps/ui/package.json

@@ -60,6 +60,8 @@
     "@tanstack/react-router": "^1.141.6",
     "@uiw/react-codemirror": "^4.25.4",
     "@xterm/addon-fit": "^0.10.0",
+    "@xterm/addon-search": "^0.15.0",
+    "@xterm/addon-web-links": "^0.11.0",
     "@xterm/addon-webgl": "^0.18.0",
     "@xterm/xterm": "^5.5.0",
     "class-variance-authority": "^0.7.1",