Add some game-related domains (#3045)

ref: <https://zh.wikipedia.org/wiki/WikiProject:%E7%94%B5%E5%AD%90%E6%B8%B8%E6%88%8F/%E6%9D%A5%E6%BA%90%E8%80%83%E9%87%8F>

Co-authored-by: MkQtS <81752398+MkQtS@users.noreply.github.com>

data/category-games-cn

@@ -1,4 +1,5 @@
 include:4399
+include:9game
 include:bilibili-game
 include:bluepoch-games
 include:cowlevel
@@ -6,13 +7,13 @@ include:herogame
 include:kurogames
 include:mihoyo-cn
 include:tencent-games
-include:tgbus
 include:tiancity
-include:vgtime
 include:vrzwk
 include:xd
 include:yokaverse
 
+# 北京奇客创想科技有限公司
+7k7k.com
 # 刀锋盒子 皖B2-20190103-4
 9xgame.com
 # 《异象回声》游戏官网 沪ICP备2023010411号-1