chore: update promo

Author: s-theo

icon/icon.json

@@ -19,6 +19,7 @@
     { "name": "moyuge", "url": "https://dot.theojs.cn/icon/moyunge.png" },
     { "name": "nya", "url": "https://dot.theojs.cn/icon/nya.jpg" },
     { "name": "niceemby", "url": "https://dot.theojs.cn/icon/niceemby.png" },
+    { "name": "nice", "url": "https://dot.theojs.cn/icon/nice.png" },
     { "name": "okemby", "url": "https://dot.theojs.cn/icon/okemby.png" },
     { "name": "quark", "url": "https://dot.theojs.cn/icon/quark.png" },
     { "name": "raise", "url": "https://dot.theojs.cn/icon/raise.png" },