Initial commit - OBS Source Switcher Plugin UI

Complete Next.js application for managing OBS Source Switcher
- Stream management with multiple screen layouts
- Team management CRUD operations
- SQLite database integration
- OBS WebSocket API integration
- Updated to latest versions (Next.js 15.4.1, React 19.1.0, Tailwind CSS 4.0.0)
- Enhanced .gitignore for privacy and development

app/add/page.tsx

@@ -0,0 +1,10 @@
+import AddStreamClient from './AddStreamClient';
+
+export default function AddStream() {
+  return (
+    <div>
+      <h1>Add a New Stream</h1>
+      <AddStreamClient />
+    </div>
+  );
+}