chore(doc): ensure all doc-strings are in markdown

[gurukamath]

    I see that the other docstrings use the former syntax. If we have to change the syntax, I guess it will be a good idea to create a new issue and change the syntax for all the docstrings.

Originally posted by @gurukamath in #627 (comment)

The criteria mentioned here should also be kept in mind while re-writing the doc-strings.

[Khushi-Chaudhary04]

Hi @SamWilsn, I'd like to work on this issue. Could you please assign it to me?

[Pazil24]

Hi @gurukamath is this issue open?

[Anuoluwapo25]

hi @SamWilsn can i work on this issue?