Add Automated Confirmation Email after Pro Sign-up

[jake-stack]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

A pro user found confusion in getting the pro access code and knowing if their payment went through

Describe the solution you'd like A clear and concise description of what you want to happen.

An automated email with link to access code and confirmation of Pro version

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.