Update source code URL.

Signed-off-by: Odyssey <odyssey346@disroot.org>

views/header.html

@@ -12,7 +12,7 @@
             <a href="/" style="text-decoration: none;" class="brand"><img src="/logo.svg" class="navbarImg" alt="GotHub" /><b class="navbarSlogan">GotHub (alpha)</b></a>
             <div class="navbarLinks">
                 <a href="/explore">Explore</a>
-                <a href="https://codeberg.org/Odyssium/gothub">Source code</a>
+                <a href="https://codeberg.org/gothub/gothub">Source code</a>
             </div>
         </div>
     </nav>