feat(auth): 角色分配用户页面视图与列表入口按钮

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

extend/base/admin/view/system/auth/index.html

@@ -5,6 +5,7 @@
                data-auth-edit="{:auth('system.auth/edit')}"
                data-auth-delete="{:auth('system.auth/delete')}"
                data-auth-authorize="{:auth('system.auth/authorize')}"
+               data-auth-assignUsers="{:auth('system.auth/assignUsers')}"
                data-auth-modify="{:auth('system.auth/modify')}"
                lay-filter="currentTable">
         </table>