Add Donate button to nav for non-mobile. Close #117

Author: myShoggoth

templates/nav.html

@@ -83,7 +83,14 @@
 
         </li>
 
-    </ul>
+        <li class="relative">
+          <form action="https://www.paypal.com/donate" method="post" target="_top">
+            <input type="hidden" name="hosted_button_id" value="MG5HKV4VTH9UG" />
+            <input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_donate_LG.gif" border="0" name="submit" title="Donate to the Haskell Foundation using PayPal!" alt="Donate to the Haskell Foundation with our PayPal button" />
+            <img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1" />
+          </form>
+        </li>
+      </ul>
   </nav>
 
   <div class="absolute right-0 lg:hidden self-start">