Make it easier to set up Parse Server

[mtrezza]

New Feature / Enhancement Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.

Current Limitation

(originally posted by @flovilmart in #4960)

README / onboarding is so confusing. We have zillions of ways to get started. Now the easiest way to get a server started in minutes (given you have node and mongo) is through npx.

Feature / Enhancement Description

Letting anyone create a server with npx @parseplatform/init

Example Use Case

n/a

Alternatives / Workarounds

n/a

[parse-github-assistant]

Thanks for opening this issue!

• 🎉 We are excited about your ideas for improvement!

[mtrezza]

@dblythy This may be interesting for you; it's a years old PR but maybe an interesting entry point in combination with your CLI approach of setting up a server?

Not sure whether this belongs rather to the example repo, but the PR is in this repo, so I open the issue here for now.