refactor(skill): 重构技能组件目录结构并重命名施法请求组件

将技能相关组件从hero目录移动到skill目录
将CastSkillRequestComp重命名为CSRequestComp
更新相关引用和文档说明

assets/script/game/skill/SDataCom.ts

@@ -1,17 +1,20 @@
 import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
 import { BoxSet } from "../common/config/BoxSet";
+import { HeroViewComp } from "../hero/HeroViewComp";
 
 /** 业务层对象 */
 @ecs.register('SDataCom')
 export class SDataCom extends ecs.Comp {
     /** 业务层组件移除时，重置所有数据为默认值 */
     attrs:any=null
+    caster:HeroViewComp=null
     group:BoxSet=BoxSet.HERO
     s_uuid:number=0
     reset() {
         this.attrs=null
         this.group=0
         this.s_uuid=0
+        this.caster=null
     }
 }