Add config option for listing worktrees for bare repositories

[SwannHERRERA]

The idea of this is coming from this comment on issue#116

Basically it's a new config boolean enable_list_worktrees, and when it's set to true the list of repos contain both the "normal repos", the bare repo and each worktrees of the bare repo, those will open a single window session.

[jrmoulton]

I'm still a bit confused on what this is changing.

[SwannHERRERA]

Yes sorry I will give a better explanation :

When working with bare repositories, the current behavior is to list all repositories in the directory view. When opening a bare repository, it opens multiple X-windows - one for each worktree in the repository. While this behavior might be suitable for some workflows, it can be disruptive in certain organizational contexts.

This PR introduces a new configuration flag list-worktree that can be enabled using:
tms config --enable-list-worktree true

Default Behavior (flag disabled)

• Lists all repositories, including bare repositories
• Opening a bare repository launches multiple X-windows (one per worktree)

New Behavior (flag enabled)

• Instead of listing bare repositories directly, shows individual worktrees
• Worktrees are displayed in the format: repository_name#worktree_name
• Example listing :

repoxxx#master
repoxxx#branch-a
repoxxx#branch-b

• Selecting a worktree opens a single X-window for that specific worktree