Update README.md

Author: BillyFrcs

README.md

@@ -6,6 +6,7 @@ Testing to Deployed a [Node.js](https://nodejs.org) Back-End Notes App in Google
 
 * Run `npm install` to install all of the required dependencies.
 * Start the server in Production mode run `npm run start` and to start in Development mode just simply run `npm run dev` that's pretty much it.
+* Make sure that disable the <b>Block insecure private network</b> in `chrome://flags` to avoid <b>Same-Origin Policy</b> problems in browser.
 
 
 ## Google Cloud Console