fully implement acl backend and interface

api/acl_admin/users_models.go

@@ -0,0 +1,16 @@
+package api_acladmin
+
+/*******************************************************************/
+// used in getUserRoles()
+type getUserRole struct {
+	ID   uint   `json:"id" example:"1"`
+	Name string `json:"name" example:"*"`
+}
+
+type getUserRolesResponse []getUserRole
+
+/*******************************************************************/
+// used in assignRoleToUser()
+type assignRoleToUserRequest struct {
+	RoleID uint `json:"roleId" example:"1"`
+}