feat(LogServer): 新增神话年兽 monster 及相关配置

- 新增神话年兽 monster 配置，包括属性、技能、掉落等
- 添加新武器随机组配置
- 调整场景配置，增加年兽刷新点和相关 NPC
- 修改部分掉落表概率

LogicServer/data/config/drop/dropgroup.config

@@ -8847,4 +8847,14 @@ DropGroupConfig = {
 			{ rate = 100, id = 2100039 },
 		},
 	},
+	[200141] = {
+		id = 200141,
+		type = 1,
+		group = {
+			{ rate = 100, id = 2100187, count = 1 },
+			{ rate = 10, id = 2100178, count = 1 },
+			{ rate = 2, id = 2100186, count = 1 },
+			{ rate = 100, id = 2100185, count = 8 },
+		},
+	},
 }