Release v0.2.1

What's Changed

• docs: update CLI documentation for v0.2.0 by @gorkem in #282
• Fix the missing labels on the Dev Mode sliders by @javisperez in #283
• Cast sliders to number for dev mode by @javisperez in #286
• Add more info to output of kit inspect by @amisevsk in #277
• Pass the slot_id parameter as a number by @javisperez in #288
• Remove more fields from tar file headers by @amisevsk in #285
• Remove wrapping in directory for darwin builds by @gorkem in #289

Full Changelog: v0.2.0...v0.2.1