feat: Add worktree commands with per-worktree trunks#1249

ed-irl wants to merge 2 commits into

ed-irl/restack-options-paramabhinav/git-spice:ed-irl/restack-options-paramfrom

ed-irl/scripts-protocol-guideabhinav/git-spice:ed-irl/scripts-protocol-guideCopy head branch name to clipboard