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/en-US/users.ts

@@ -5,6 +5,11 @@ export default {
   'users.form.create': 'New User',
   'users.table.username': 'User Name',
   'users.table.role': 'Role',
+  'users.table.status': 'Status',
+  'users.status.active': 'Active',
+  'users.status.inactive': 'Inactive',
+  'users.form.active': 'Active account',
+  'users.form.active.description': 'Enable or disable this user account',
   'users.form.fullname': 'Full Name',
   'users.form.source': 'Source',
   'users.table.user': 'users',