more commands, phone view and readme

• 3 more commands: interests, projects and github
• the github command prints a link you can click
• up and down arrow keys bring back old commands, like a real terminal
• phone fixes: smaller heading and the terminal prompt moves above the input
• a README that explains what’s on the site and how to run it
• screenshots of the home page, the terminal and the phone view
• the progress folder with every stage, each one with a commit message and a devlog