docs: Fixed spelling mistake on front page

Author: TwoTenPvP

docs/index.html

@@ -30,7 +30,7 @@ <h2 class="header-light regular-pad">What is the MLAPI?</h2>
         <div class="col-md-6">
             <h2 class="header-light regular-pad">Why the MLAPI?</h2>
 
-            <p>The MLAPI is one of the oldest and most activley developed game networking
+            <p>The MLAPI is one of the oldest and most actively developed game networking
                 library out there. As a direct result of this, it offers many more features than other libraries.
                 A comparison between other libraries can be seen on the <a href="{{ "/features/" | prepend: site.baseurl }}">features</a>
                 page. But in short, the MLAPI's focus is to make networking simple to let you focus on what matters for