Fix Experimental UI for cookie based authentication
We're using Prometheus behind a reverse proxy which authenticates everything based on cookies.
Without this attribute the cookie is not send with the request for the manifest.json
manifest.json provides metadata used when your web app is added to the
homescreen on Android. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
- <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+ <link rel="manifest" href="%PUBLIC_URL%/manifest.json" crossorigin="use-credentials"/>
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
