Fix req header

src/middleware/CORS/allowCors.ts

+import { Request, Response } from "express"
+
+export const allowCors = (req: Request, res: Response, next: any) => {
+    res.setHeader('Access-Control-Allow-Origin', '*')
+    res.setHeader('Access-Control-Request-Method', '*');
+
+    next();
+}
\ No newline at end of file