[feature] add writeTsv functionality #119
Description
There's writeCsv, so there should also be writeTsv.
This should be a really nice, beginner-friendly task. A community member could use this task to familiarize themselves with the contributing process!
PS -- look around here:
https://github.com/mchav/dataframe/blob/076b753325af2ada1fe315e7b9de686f524b88dd/src/DataFrame/IO/CSV.hs