Add Netspeak Games logo (agones-dev#2073)

* Add Netspeak Games logo

* update transparency

Author: domgreen

site/content/en/_index.html

@@ -60,6 +60,7 @@ <h2 class="text-center pb-3">Companies using Agones</h2>
 		<a href="https://space.game/"><img alt="Space Game" width="80" src="images/spacegame.png" /></a>
 		<a href="https://rolltable.app/"><img alt="rolltable" width="100" src="images/rolltable.png" /></a>
 		<a href="https://vela.games/"><img alt="Vela Games" width="100" src="images/velagames.png" /></a>
+		<a href="https://netspeakgames.com//"><img alt="Netspeak Games" width="100" src="images/netspeakgames.png" /></a>
 	</p>
 </div>
 {{< /blocks/section >}}