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/na.svg

@@ -13,4 +13,4 @@
     <path fill="#3662a2" d="M232.4 112.4c0 25.6-20.9 46.3-46.6 46.3s-46.6-20.7-46.6-46.3 20.8-46.2 46.6-46.2 46.6 20.7 46.6 46.2"/>
     <path fill="#ffe700" d="M222.3 112.4a36.5 36.5 0 1 1-73 0 36.5 36.5 0 0 1 73 0"/>
   </g>
-</svg>
+</svg>