- Switched to using cURL for fetching data from CoinGecko API, with added error handling for failed requests. This reduces the chances of runtime errors and ensures fallback to previous data.
- Implemented periodic updates to exchange rates every 5 seconds in `main.js` to keep the rates current.
- Added OpenGraph meta tags on `index.php` for better social media integration.
- Minor CSS adjustments for better table rendering.
- Moved `import` statements for Bootstrap CSS and JS to the top in `main.js`.
