[x] Revisit installation guide, describe how to set up composer.
[x] After install, tell people to setup bolt (bin/console bolt:setup)
[ ] Instruct people how to start their server and go to the homepage
[x] On the homepage, give some basic info and describe how to go to Backend, make some simple changes to get started. Maybe include links to Bolt Tips / Community / Slack for further help?
bin/console bolt:setup
)