Improvements for new users & fix example
Improvements for new users & fix example

New users who jump directly into this command might think this command is to init a project or application dictionary but it actually creates somehow a  directory for *built* app to run inside. 

plus, fix not working example

Sorry for such minor and boring commit.
flatpak/flatpak,flatpak/flatpak,flatpak/flatpak,flatpak/flatpak,flatpak/flatpak