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/rw.svg

@@ -10,4 +10,4 @@
     <use xlink:href="#rw-b" width="100%" height="100%" transform="scale(-1 1)"/>
     <circle r="34.3" fill="#e5be01" stroke="#00a1de" stroke-width="3.4"/>
   </g>
-</svg>
+</svg>