Landing page for prospecting clients for courses

[tolstenko]

On this type of page we will collect minimal information such as email, name and/or phone so we can target them later if the gather enough people interested for the course to run.

Backend:

• store leads
• manage multiple course-proposals

Frontend:

• render course proposal
• connect to backend to store leads

[github-actions]

This issue is stale because it has been open for 60 days with no activity.

[tolstenko]

@Germano123 @alec-o-mago I guess this issue worth keeping