Add igeek theme
Add igeek theme

https://github.com/Saleh7/igeek-zsh-theme/issues/6 is closed, add `igeek` theme

Signed-off-by: Joe Block <13bb081c6ac072ef78a3e348068e2204400d7335@unixorn.net>

voronkovich/awesome-zsh-plugins,unixorn/awesome-zsh-plugins