pluck: add a randomize command

This will use Linux Kernel's randconfig to build
several images. Useful for build-testing invasive
patches.

Signed-off-by: Felipe Balbi <balbi@ti.com>
pluck: increment version to 0.0.1pre

this is the very first release of pluck.

Signed-off-by: Felipe Balbi <balbi@ti.com>
pluck: commit something to README.md

nothing but the project name for now.

Signed-off-by: Felipe Balbi <balbi@ti.com>