Adding clear past entries feature (minor change)

[Ankit-Jangid]

This can be added to clear the entries of a habit added by user instead of deleting a habit entirely.
Although, I know this is subjective and can have other opinions as well, other refinements are welcome.

Reason: I once came across a scenario where I didn't want to delete the entire habit. but instead clear the entries so I can remove old data of that habit and wanted to start it over.

Here's the feature:
(work is still in progress, it's not fully tested).

clearEntries.mp4