Describe the bug

When I try to swap lines with the command that CP Editor has configured in macOS (Command+Shift+(Up or Down Arrow)) it doesn't work, because in macOS, the shortcut Command+Up Arrow for example when used in text, moves the cursor from the current cursor position to the beginning, and Command+Down to the end

So when you also use Shift, what you get is that you select

When icpc/ccs-specs#38 is merged, we no longer need the scoreboard.tsv export. We can replace it with something that internally gets the scoreboard API endpoint and downloads it as JSON.