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/ClinicsPage.tsx

@@ -135,7 +135,7 @@ export default function ClinicsPage() {
           </div>
         </div>
 
-        <table className="t">
+        <div className="table-wrap"><table className="t">
           <thead>
             <tr>
               <th>کلینیک</th>
@@ -237,7 +237,7 @@ export default function ClinicsPage() {
                   );
                 })}
           </tbody>
-        </table>
+        </table></div>
 
         <Pagination page={page} total={total} limit={limit} onPageChange={setPage} />
       </div>