new launcher

[ffflick-gh]

The launcher should be able to install Citrine using git (default to master?)
Also, the launcher should take arguments. If not arguments are provided, open the interactive menu.

i.e for the current launcher, move "main" to a separate "interactiveLauncher" function, and then parse the arguments to see if any are provided.

const args = parseArgs();

if (args.recompile) recompileCitrine();
else if (args['someOtherArg']) doSomething();
else interactiveLauncher();

If needed, move the launcher to a separate repo (probably when it will be capable of installing citrine using git)
Also if needed, re-write the launcher in a cli-friendly language (which can produce an executable)