sb-builder - Qt6 GUI to drive SlackBuild tooling on a build VM

Age	Commit message (Collapse)	Author	Files	Lines
21 hours	Initial commit: sb-builder build VM GUI	Danilo M.	1	-0/+310
	Desktop PyQt6 GUI plus a stdlib Python helper on the build VM, to drive slackrepo, mkhint and the overlay sync tools from one interface, with detachable jobs. This commit carries the repo docs and the approved phase 1 (core) design spec. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>