Add Twitch on official social networks

pages/community/community.html

@@ -170,7 +170,7 @@ <h2>Official communities</h2>
 		<div class="community-block">
 			<div class="card">
 				<a href="https://forum.godotengine.org/">
-					<img src="/assets/community/icon_forum.png" width="350" height="215" alt=""
+					<img src="/assets/community/icon_forum.webp" width="350" height="215" alt=""
 						style="background: linear-gradient(90deg, #fbfbfb 30%, #fdfcfd 46%, #e7ebed 83%, #fefdfe 98%)"
 						loading="lazy">
 				</a>
@@ -265,6 +265,20 @@ <h3><a href="https://www.youtube.com/c/GodotEngineOfficial">YouTube</a></h3>
 				</div>
 			</div>
 		</div>
+
+		<div class="community-block">
+			<div class="card">
+				<a href="https://www.twitch.tv/godotengine_official">
+					<img src="/assets/community/icon_twitch.webp" width="350" height="215" alt=""
+						style="background: linear-gradient(90deg, #cdbcc5 24%, #cdbcc5 57%, #cdbcc5 66%, #cab8c1 92%)"
+						loading="lazy">
+				</a>
+				<div class="base-padding">
+					<h3><a href="https://www.twitch.tv/godotengine_official">Twitch</a></h3>
+					<p>Live streams all about Godot and its users.</p>
+				</div>
+			</div>
+		</div>
 	</div>
 
 	<h2>User-supported communities</h2>