commons: add twitter emoji set

voidcannon: add new twitter emoji set
content: update playground-gm3 to use twitter set

src/content/articles/playground-gm3/playground-gm3.pagex.js

@@ -1,4 +1,9 @@
-import {VoidcannonHeaderLayoutType, VoidcannonHeaderType, VoidcannonContentType} from "voidcannon";
+import {
+    VoidcannonHeaderLayoutType,
+    VoidcannonHeaderType,
+    VoidcannonContentType,
+    VoidcannonEmojiStyle
+} from "voidcannon";
 
 import bignutty from "../../authors/bignutty.pagex.js";
 
@@ -16,6 +21,9 @@ export default {
     id: "playground-gm3",
     title: "Playground Test Article (gm3 base theme)",
     created_at: 1757861297516,
+    theme: {
+        emoji_style: VoidcannonEmojiStyle.TWITTER
+    },
     header: {
         type: VoidcannonHeaderType.IMMERSIVE,
         layout: VoidcannonHeaderLayoutType.TEXT,