Annyeonghaseyo,

Given that the first cop is ready, the documentation part is left.
And as someone has rightly said,

Documentation is a love letter that you write to your future self.

So, I spent time on documenting stuff.
Yeah, I said I won’t work much, but meh, I am not sure how would the implementation of the second cop will go :/

Anyway, here’s the stuff that I did:

:wq for today.