Add JSON files for Payment Gateway Interface and API documentation updates

- Created a new JSON file for the PaymentGatewayInterface.php, detailing its methods and return types.
- Added a JSON file for payment.md, documenting various API endpoints and their parameters, responses, and errors.
- Introduced a JSON file for fix-admin-modal-and-calendar.md, outlining issues and solutions related to admin modal and calendar functionalities.

assets/admin/pages/SmsWalletPage.tsx

@@ -427,7 +427,7 @@ function SmsWalletPageInner() {
           </div>
         ) : (
           <>
-            <table style={{ width: '100%', borderCollapse: 'collapse', fontSize: 13 }}>
+            <div className="table-wrap"><table style={{ width: '100%', borderCollapse: 'collapse', fontSize: 13 }}>
               <thead>
                 <tr style={{ background: 'oklch(0.97 0.01 256)', borderBottom: '1px solid var(--border)' }}>
                   <th style={{ textAlign: 'right', padding: '10px 16px', fontWeight: 600, color: 'var(--text-2)' }}>نوع</th>
@@ -469,7 +469,7 @@ function SmsWalletPageInner() {
                   </tr>
                 ))}
               </tbody>
-            </table>
+            </table></div>
             <div style={{ padding: '12px 16px' }}>
               <Pagination page={logPage} total={total} limit={20} onPageChange={setLogPage} />
             </div>