Link the donation page from donation ask.

Author: tomspilman

website/content/index.njk

@@ -198,7 +198,7 @@ title: MonoGame
             </p>
             <p>
                 The MonoGame Foundation is a non-profit foundation that relies on community donations
-                to fund projects and goals. Consider supporting MonoGame through a one-time or monthly donation
+                to fund its projects and goals. Consider supporting MonoGame through a <a href="/donate/">one-time or monthly donation</a>.
             </p>
         </div>
     </section>