Added static img folder for directly serving images

src/loaders/openapi.ts

@@ -20,5 +20,6 @@ export default async (app: Application) => {
     res.json(spec);
   });
   app.use('/docs', express.static(path.join(__dirname, '../static/docs'), { index: "index.html", extensions: ['html'] }));
+  app.use('/img', express.static(path.join(__dirname, '../static/img')));
   return app;
 };