Clean up SVG files and update logos

- Removed unnecessary XML and DOCTYPE declarations from SVG files.
- Eliminated comments within SVG files for cleaner output.
- Trimmed leading and trailing whitespace from SVG content.
- Ensured all SVG files end with a newline character.
- Updated multiple logo SVG files including WireGuard, Wise, WOG, Yahoo, and others to conform to the new standards.
- Enhanced the update-data.js script to automate the cleanup process for SVG files.

public/images/flags/tg.svg

@@ -11,4 +11,4 @@
     <path fill="#fff" d="M134.4 128.4c0-.8 18.9-53 18.9-53l17 52.2s57.4 1.7 57.4.8-45.3 34.3-45.3 34.3 21.4 60 20.5 58.2-49.6-36-49.6-36-49.7 34.3-48.8 34.3c.8 0 18.8-56.5 18.8-56.5l-44.5-33.4z"/>
     <path fill="#118600" d="M0 409.2h767.6V512H0z"/>
   </g>
-</svg>
+</svg>