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/ao.svg

@@ -10,4 +10,4 @@
   <path fill="#fe0" fill-rule="evenodd" d="M324.5 363.7c-42.6-24.3-87.3-50.5-130-74.8-18.7-11.7-19.6-33.4-7-49.9 1.2-2.3 2.8-1.8 3.4-.5 1.5 8 6 16.3 11.4 21.5A5288 5288 0 0 1 334 345.6c-3.4 5.8-6 12.3-9.5 18z"/>
   <path fill="#ffec00" fill-rule="evenodd" d="m297.2 305.5 17.8 16-16 17.8-17.8-16z"/>
   <path fill="none" stroke="#000" stroke-width="3" d="m331.5 348.8-125-75.5m109.6 58.1L274 304.1m18.2 42.7L249.3 322"/>
-</svg>
+</svg>