Add support for Haiku OS

[QuimXy]

I'm submitting a ... (check one with "x")

[ ] bug report
[ x] new distro request

Bug report

=> search Github for a similar issue or PR before submitting
=> download the latest revision from Github and check if the bug is still present
   -> https://github.com/KittyKatt/screenFetch/raw/master/screenfetch-dev
=> Show us the output of: screenfetch -v

New distro request

Distro name: Haiku OS
Homepage: https://www.haiku-os.org/
Distro logo:   
![imagen](https://user-images.githubusercontent.com/58343514/69908261-7ecb6c80-13c4-11ea-83b6-d3fb485103e8.png)

Package manager: Haiku Depot

Show us the output of
 => lsb_release -sirc
 => cat /etc/os-release
 => ls -1 /etc/*-release

[darealshinji]

Haiku is already supported.