Merge branch 'mr/worktree-list'

Add the "list" subcommand to "git worktree". * mr/worktree-list: worktree: add 'list' command worktree: add details to the worktree struct worktree: add a function to get worktree details worktree: refactor find_linked_symref function worktree: add top-level worktree.c