feat: add user activation control

- Add is_active field to user model
- Create SealCheckbox component with clickable container
- Add activation control to user modal
- Display user status in users table
- Add localization strings for activation features

src/locales/zh-CN/users.ts

@@ -5,6 +5,11 @@ export default {
   'users.form.create': '新建用户',
   'users.table.username': '用户名',
   'users.table.role': '角色',
+  'users.table.status': '状态',
+  'users.status.active': '激活',
+  'users.status.inactive': '禁用',
+  'users.form.active': '激活账户',
+  'users.form.active.description': '启用或禁用此用户账户',
   'users.form.fullname': '全名',
   'users.form.source': '来源',
   'users.table.user': '用户',