Git: Use monospace font for commit message and add ruler

[JoseExposito]

At the moment a warning message is displayed when the commit title exceeds 50 characters or when a commit description line exceeds 72 characters.

However, since the font used is not monospaced, it is really difficult to figure out where the character limit is.

In addition, adding a ruler would help to find that limit.

[gjsjohnmurray]

/duplicate of #93150 which also suggest that monospace is already possible.

[vscodenpa]

Thanks for creating this issue! We figured it's covering the same as another one we already have. Thus, we closed this one as a duplicate. You can search for similar existing issues. See also our issue reporting guidelines.

Happy Coding!