I just started implementing checkout in Rails on a side project and the step by step docs don't cover CORS and CSP. I get a bunch of errors. Really the docs sho

I just started implementing checkout in Rails on a side project and the step by step docs don't cover CORS and CSP. I get a bunch of errors. Really the docs should cover every little detail leaving nothing to be researched. Any time I follow a how to doc that leaves details out I lose flow which in turns slows me down and makes me less happy.