[FR] Option to specify installation paths

[itslazyvar]

Tell us how we can improve Xcodes
Providing users the option to specify installation paths would be a nice improvement.

Is your feature request related to a problem? Please describe.

No, it's not related to a problem but it's tangentially related to FR #619

What would you like to see? How would you like it to work?

I'll write it as a user story:

As an Xcodes user I would like to have the option to set the folder in which the various Xcode versions are installed.

This would allow me to organize my file system and keep it tidy.

I would for example have a folder /Applications/Betas/Xcode in which I would store the beta versions of Xcode instead of having them all cluttering up the /Applications folder.