Netlify "page not found" when sharing React-Router-Dom based links

Update: Still not working but attempted following solutions.

I have added a _redirects file to the build directory with the following information inside it:

However, I am still getting the ‘page not loading’ error.

I am using the default publish directory of build/.

Github link: https://github.com/ogjaylowe/deploy_test
link causing redirection error: thebamfblog.com/about