Initial commit: Add T YouTube text-based reader web app

- FastAPI backend running on port 8000
- Svelte 5 runes frontend dashboard supporting Read/Skip state toggles
- YouTube subscription feed scraper using yt-dlp & Netscape cookies.txt
- Transcript downloader and Claude 3.5 Haiku summarizer via bytecatcode proxy
- Multi-stage Dockerfile and docker-compose.yml configuration

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/main.js

@@ -0,0 +1,9 @@
+import { mount } from 'svelte';
+import './app.css';
+import App from './App.svelte';
+
+const app = mount(App, {
+  target: document.getElementById('app'),
+});
+
+export default app;