feat: Initialize OmniSupport AI project structure

Sets up the basic project structure for OmniSupport AI, including:
- Vite build tool configuration.
- React and necessary dependencies.
- TypeScript configuration.
- Basic HTML and root component setup.
- Initial type definitions and mock data for core entities like tickets, agents, and queues.
- A README with setup instructions.
- A .gitignore file for common build artifacts and development files.

index.tsx

@@ -0,0 +1,15 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+
+const rootElement = document.getElementById('root');
+if (!rootElement) {
+  throw new Error("Could not find root element to mount to");
+}
+
+const root = ReactDOM.createRoot(rootElement);
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);