Extracting FileController into a Uploader container

uploader/src/Controller/BaseController.ts

@@ -0,0 +1,10 @@
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
+
+
+export class BaseController {
+    protected addCorsHeaders(res: HttpResponse): void {
+        res.writeHeader('access-control-allow-headers', 'Origin, X-Requested-With, Content-Type, Accept');
+        res.writeHeader('access-control-allow-methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
+        res.writeHeader('access-control-allow-origin', '*');
+    }
+}