Add Homebrew "gotop" formula
Add Homebrew "gotop" formula

Add the formula for gotop (1), a terminal based graphical activity
monitor inspired by gtop (2) and vtop (3).

The formula is available through the `cjbassi/gotop` tap.

References:
  (1) https://github.com/cjbassi/gotop
  (2) https://github.com/aksakalli/gtop
  (3) https://github.com/MrRio/vtop

Resolves GH-176

arcticicestudio/igloo,arcticicestudio/igloo,arcticicestudio/igloo