refactor: update UI components and styles for improved consistency and functionality

- Refactored Skeleton component to include data-slot attribute and updated class names.
- Enhanced Switch component with size prop and improved styling.
- Updated Tooltip components to include data-slot attributes and improved styling.
- Refactored global CSS to use custom properties for theming and improved dark mode support.
- Added useIsMobile hook for responsive design handling.
- Updated IPC link implementation for tRPC in Electron.
- Adjusted ProjectsPage layout for better responsiveness.
- Removed outdated Tailwind configuration file and integrated Tailwind CSS with Vite.

src/main/index.ts

@@ -1,9 +1,9 @@
 import { app, BrowserWindow } from 'electron';
 import path from 'node:path';
 import started from 'electron-squirrel-startup';
-import { createIPCHandler } from 'electron-trpc/main';
 import { initDb } from './db';
 import { appRouter } from './router';
+import { createIPCHandler } from './ipc';
 
 // Handle creating/removing shortcuts on Windows when installing/uninstalling.
 if (started) {