Feature request: --worktree flag to create worktree after bare clone

Summary

The request is to add a new flag, `--worktree`, to the `ghq get` command. This flag should allow users to specify a path where a worktree for a repository will be created after `ghq` performs a bare clone of the repository.

Skills Required

Go Programming LanguageGit Command-Line InterfaceUnderstanding of Git WorktreesCommand-Line Interface Development

Files Likely Touched

cmd/ghq/get.go
ghq.go
git/git.go
internal/ghq.go