refactor(configs): 更新活动配置并调整抽奖活动参数

- 修改 Activity10020Config.json 中的活动 ID 为 10421
- 更新 ActivityDrawConf.json 的格式和内容
- 在 FunExhibitionConfig.json 中添加新的王者抽奖活动配置

configs/FunExhibitionConfig.json

@@ -312,7 +312,22 @@
             "id": [
                 10241,
                 10242,
-                10243,
+                10243
+            ],
+            "type": 1,
+            "title": "biaoti_cangjingge"
+        }
+    },
+    "31": {
+        "view": "app.OpenServerTreasureWin3",
+        "id": 31,
+        "funName": "王者抽奖",
+        "isOpenNeed": {
+            "openDay": 1,
+            "level": 1
+        },
+        "param": {
+            "id": [
                 10421
             ],
             "type": 1,