refactor: rewrite and expand mock data into modular files

lib/mock/games.ts

@@ -0,0 +1,16 @@
+import type { Game } from "../types"
+
+export const mockGames: Game[] = [
+  { id: "g1", name: "英雄联盟", icon: "Swords", category: "MOBA" },
+  { id: "g2", name: "王者荣耀", icon: "Crown", category: "MOBA" },
+  { id: "g3", name: "CS2", icon: "Crosshair", category: "FPS" },
+  { id: "g4", name: "永劫无间", icon: "Sword", category: "动作" },
+  { id: "g5", name: "原神", icon: "Sparkles", category: "RPG" },
+  { id: "g6", name: "和平精英", icon: "Target", category: "FPS" },
+  { id: "g7", name: "DOTA2", icon: "Shield", category: "MOBA" },
+  { id: "g8", name: "无畏契约", icon: "Zap", category: "FPS" },
+  { id: "g9", name: "绝区零", icon: "Flame", category: "动作" },
+  { id: "g10", name: "崩坏：星穹铁道", icon: "Star", category: "RPG" },
+  { id: "g11", name: "第五人格", icon: "Ghost", category: "动作" },
+  { id: "g12", name: "三角洲行动", icon: "Radar", category: "FPS" },
+]