Add player functionality with HLS support and API integration

- Implemented a new Player class in player.js to handle audio playback, including HLS support using hls.js.
- Created a shared API module in api.js for making HTTP requests with proper error handling.
- Added DOM utility functions in dom.js for creating and clearing elements.
- Introduced WebSocket connection handling in ws.js for real-time updates.
- Developed a comprehensive CSS stylesheet for styling the application, including a high-contrast theme.

server/scripts/seed.js

@@ -0,0 +1,7 @@
+// Standalone seed runner: `npm run seed`
+import 'dotenv/config';
+import { initDb } from '../db/index.js';
+import { applySeedIfEmpty } from '../sources/seed.js';
+
+initDb(process.env.DB_PATH || './data/db/oradio.sqlite');
+console.log(applySeedIfEmpty());