feat: add Settlements, SMS, User detail, and Users management pages

- Implement SettlementsPage for managing settlement requests with approval and rejection functionalities.
- Create SmsPage for handling SMS templates, including creation, approval, rejection, and logging.
- Add UserDetailPage to display detailed information about users.
- Develop UsersPage for listing users with search, view, edit, and delete options.
- Introduce new types for User, SmsTemplate, SmsLog, and Settlement to support the new features.

assets/admin/styles.css

@@ -28,3 +28,11 @@ body {
   background-color: var(--color-bg-body);
   direction: rtl;
 }
+
+@keyframes scale-in {
+  from { opacity: 0; transform: scale(0.95); }
+  to   { opacity: 1; transform: scale(1); }
+}
+
+.line-clamp-1 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
+.line-clamp-2 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }