Configuration is ok but when i get in the link , it show up error
"Page Not Found
Looks like you’ve followed a broken link or entered a URL that doesn’t exist on this site.
Back to our site
If this is your site, and you weren’t expecting a 404 for this path, please visit Netlify’s “page not found” support guide for troubleshooting tips."
Have you read through the support guide linked on that page?
I can see the package.json of the project at https://h3martrix.netlify.app/package.json. This suggests you have uploaded the project source instead of the built project.