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/mr.svg

@@ -3,4 +3,4 @@
   <path fill="#006233" d="M0 72h640v336H0z"/>
   <path fill="#ffc400" d="M470 154.6a150 150 0 0 1-300 0 155 155 0 0 0-5 39.2 155 155 0 1 0 310 0 154 154 0 0 0-5-39.2" class="mr-st1"/>
   <path fill="#ffc400" d="m320 93.8-13.5 41.5H263l35.3 25.6-13.5 41.4 35.3-25.6 35.3 25.6-13.5-41.4 35.3-25.6h-43.6z"/>
-</svg>
+</svg>