change show diff option to a more advance version

[Bhupesh-V]

Is your feature request related to a problem? Please describe. Currently, the Show diff option only shows diffs b/w files. It would be nice to run git status before it and show necessary info like Untracked files, Default Branch, etc

Describe the solution you'd like the Show diff option can be renamed to "dotfile repo status" & would include info like:

• [ ] New Files Added (Untracked Files)
• [ ] ...Suggest more ...