Enables the fast change of flutter versions
- Adding FVM_PATH/smlink/flutter/bin to PATH
- FVM_PATH is optional, defaults to
- /home/USER/.fvm on Linux
fvm list [beta/dev/stable] : shows all versions availible for download of the channel
fvm download [version] : downloads the version
fvm alias [version] [alias name] : adds and alias for the version so it can be accessed quickly
fvm select [version/alias name] : changes the selected flutter version
fvm show : list all installed versions of flutter
fvm doctor : WIP