The thread for "Greenify4Magisk" is not available in this forum but in the Magisk forum. Please refer to here.
EDIT (2018-12-22): On 21 Dec 2018, the linked thread "Greenify4Magisk" was closed on request of abacate123 and is deprecated! This is abacate123's final statement:
I'm too tired of this... See you guys later. It was nice enough to support this module and thread for almost two years! Thanks for everything.