feat(微信): 添加微信用户绑定命令类并移除缓存键返回

移除动态码接口中不必要的缓存键返回字段，并新增微信用户绑定命令类用于接收绑定请求参数

agileboot-api/src/main/java/com/agileboot/api/controller/WxController.java

@@ -112,7 +112,6 @@ public class WxController {
             Map<String, String> result = new HashMap<>();
             result.put("dynamicCode", dynamicCode);
             result.put("validityMinutes", String.valueOf(DynamicCodeGenerator.getCodeValidityMinutes()));
-            result.put("cacheKey", cacheKey);
 
             return ResponseDTO.ok(result);
         } catch (Exception e) {

agileboot-domain/src/main/java/com/agileboot/domain/ab98/user/command/BindWxMpUserCommand.java

@@ -0,0 +1,12 @@
+package com.agileboot.domain.ab98.user.command;
+
+import lombok.Data;
+
+@Data
+public class BindWxMpUserCommand {
+    private String dynamicCode;
+
+    private String name;
+
+    private String idNum;
+}