send_json: fix typo in path

Author: Sergey Khomushin

src/api/send_json.ts

@@ -6,7 +6,7 @@ import { EmailJSResponseStatus } from '../models/emailjs_response_status.js';
 export const sendJSON = (params: string): Promise<EmailJSResponseStatus> => {
   const options: RequestOptions = {
     host: store._host,
-    path: 'api/v1.0/email/send',
+    path: '/api/v1.0/email/send',
     port: 443,
     method: 'POST',
     headers: {