Update index.html

Author: TheOddCell

index.html

@@ -29,7 +29,7 @@
             <div class="nav-links">
                 <a href="https://files.obsidianos.xyz">Downloads</a>
                 <a href="https://wiki.obsidianos.xyz/">Wiki</a>
-                <a href="https://github.com/Obsidian-OS/" target="_blank" rel="noopener noreferrer">GitHub</a>
+                <a href="https://git.obsidianos.xyz/" target="_blank" rel="noopener noreferrer">Git</a>
                 <a href="https://www.reddit.com/r/obsidian_OS/" target="_blank" rel="noopener noreferrer">Reddit</a>
                 <a href="https://dsc.gg/obsidianos" target="_blank" rel="noopener noreferrer">Discord</a>
             </div>