Add SMS templates UI, prepaid balance settings, and list filter layout.

Business settings manage templates and balance; Super Admin verifies templates and tops up via SMS settings; filters use a separate panel with even field gaps.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/super-admin/src/App.tsx

@@ -17,6 +17,7 @@ import { IssueInvoicePage } from './pages/IssueInvoicePage'
 import { PublicInvoicePage } from './pages/PublicInvoicePage'
 import { ProfilePage } from './pages/ProfilePage'
 import { TemplatesPage } from './pages/TemplatesPage'
+import { SmsTemplatesPage } from './pages/SmsTemplatesPage'
 import { LoginPage } from './pages/LoginPage'
 
 function ProtectedPages() {
@@ -61,6 +62,7 @@ function App() {
                     <Route path="users" element={<UsersPage />} />
                     <Route path="websites" element={<WebsitesPage />} />
                     <Route path="templates" element={<TemplatesPage />} />
+                    <Route path="sms-templates" element={<SmsTemplatesPage />} />
                     <Route path="settings" element={<SettingsPage />} />
                     <Route
                       path="settings/invoice-templates/new"