add v0.1 gif

Author: riccardobl

src/components/x-roadmap.html

@@ -66,7 +66,7 @@
                 within the virtual world of their games 
             </x-task>
 
-            <x-milestone title="v0.1.x MONETIZATION" img="imgs/ads.webp">
+            <x-milestone title="v0.1.x MONETIZATION" img="imgs/nge-v01.gif">
                 <p>
                     At this stage developers can monetize their games with p2p ads that do not break the
                     player immersion or privacy.