How to highlight files in the side bar that have been modified since the last commit with Git in Sublime Text 3 (like Atom does )?
Update
This is currently not possible according to this issue on the sublime-text-git plugin repository.
Original Answer*
*Before I realized that OP was talking about Git modified status, as opposed to unsaved changes.
This isn't exactly the same, but you can get close with built-in features.
You can follow the answer from this question to show open files in the side bar (View > Side Bar > Show Open Files). This adds a section called OPEN FILES at the top of the side bar. With the default theme, any modified file will have a little gray circle next to it. It may look different if you are using a custom theme.
In this example, I have three files open. The gray circle by modified file tells you it has been modified. (TODO.md is highlighted because it's currently selected.)
