Trigger FZF on no-args ls

[ChrisPenner]

Overview

Makes the argument for ls required, which means it will trigger fzf if not provided.

Interesting/controversial decisions

There's some bike-shedding about whether this is the right place to tweak for allowing a quick exploration of your codebase; but feedback has been good so far, so we'll try this out and go from there.

Test coverage

Transcripts

Loose ends

Currently there's a wart where if there are no namespaces available it will print:

  ⚠️

  Sorry, I was expecting an argument for the namespace, and I couldn't find any to suggest to you. 😅

Rather than:

  nothing to show

Which isn't the best experience, but since creating a new project automatically installs base; basically nobody should be encountering this.

[SystemFw]

I'm absolutely loving this

[pchiusano]

Awesome.

Let’s merge this whenever you’re ready @ChrisPenner