feat: Initialize Svelte application with logo gallery functionality

- Add Rollup configuration for building and serving the application.
- Implement logo scanning script to generate logos.json from logo files.
- Create main App component to manage logo display and search functionality.
- Develop LogoGrid and LogoList components for different viewing modes.
- Add LogoModal component for logo preview with details.
- Implement URL copying and logo downloading features.
- Style components for improved user experience and responsiveness.

src/main.js

@@ -0,0 +1,7 @@
+import App from './App.svelte';
+
+const app = new App({
+  target: document.getElementById('app') || document.body
+});
+
+export default app;