feat: Initialize project with Vite, React, and TypeScript

Sets up the foundational structure for the Obsidian | RP Plattform. This includes configuring Vite as the build tool, integrating React for the UI, and establishing TypeScript for type safety. Also includes initial styling and placeholder data to define the application's core interfaces.

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>
+);