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/zm.svg

@@ -24,4 +24,4 @@
       <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.1" d="M300.1 65s13.6 7.2 19.4 6.7a10 10 0 0 1-3.8 2c1.4.6 5.4 2.7 11.4 1.4l-3.3 3s5.2 2 11-1l-2.8 3.7 4.1.3"/>
     </g>
   </g>
-</svg>
+</svg>