feat: 添加用户统计功能，包括统计接口和相关数据结构

backend/docs/swagger.yaml

@@ -134,6 +134,15 @@ definitions:
       verified_at:
         type: string
     type: object
+  dto.UserStatistics:
+    properties:
+      count:
+        type: integer
+      status:
+        $ref: '#/definitions/consts.UserStatus'
+      status_description:
+        type: string
+    type: object
   dto.UserStatusUpdateForm:
     properties:
       status:
@@ -288,6 +297,9 @@ paths:
       - in: query
         name: page
         type: integer
+      - in: query
+        name: status
+        type: string
       produces:
       - application/json
       responses:
@@ -382,6 +394,9 @@ paths:
       - in: query
         name: page
         type: integer
+      - in: query
+        name: status
+        type: string
       - in: query
         name: tenantID
         type: integer
@@ -426,6 +441,22 @@ paths:
       summary: 更新用户状态
       tags:
       - Super
+  /super/v1/users/statistics:
+    get:
+      consumes:
+      - application/json
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            items:
+              $ref: '#/definitions/dto.UserStatistics'
+            type: array
+      summary: 用户统计信息
+      tags:
+      - Super
   /super/v1/users/statuses:
     get:
       consumes: