feat: timeline display option like in `chaqchase/lla`

[thedenisnikulin]

I really like this timeline feature in lla where it groups files by time periods, and helps you view what files you modified recently in a log view. It helps you see for example on what projects you worked on last week or last month.

Here's the example from their README.md:

Their repo: https://github.com/chaqchase/lla

Thank you.