Add information about supported versions to documentation
Add information about supported versions to documentation

Liangjianghao/powerline,darac/powerline,bartvm/powerline,cyrixhero/powerline,S0lll0s/powerline,DoctorJellyface/powerline,blindFS/powerline,seanfisk/powerline,EricSB/powerline,blindFS/powerline,xxxhycl2010/powerline,Liangjianghao/powerline,xfumihiro/powerline,junix/powerline,seanfisk/powerline,dragon788/powerline,prvnkumar/powerline,bezhermoso/powerline,blindFS/powerline,DoctorJellyface/powerline,IvanAli/powerline,areteix/powerline,EricSB/powerline,kenrachynski/powerline,darac/powerline,bezhermoso/powerline,EricSB/powerline,prvnkumar/powerline,dragon788/powerline,Luffin/powerline,lukw00/powerline,Luffin/powerline,russellb/powerline,s0undt3ch/powerline,kenrachynski/powerline,QuLogic/powerline,darac/powerline,cyrixhero/powerline,xxxhycl2010/powerline,bezhermoso/powerline,xfumihiro/powerline,cyrixhero/powerline,S0lll0s/powerline,seanfisk/powerline,IvanAli/powerline,bartvm/powerline,QuLogic/powerline,lukw00/powerline,dragon788/powerline,DoctorJellyface/powerline,areteix/powerline,xfumihiro/powerline,lukw00/powerline,Luffin/powerline,xxxhycl2010/powerline,bartvm/powerline,kenrachynski/powerline,areteix/powerline,russellb/powerline,russellb/powerline,junix/powerline,s0undt3ch/powerline,prvnkumar/powerline,junix/powerline,IvanAli/powerline,QuLogic/powerline,Liangjianghao/powerline,S0lll0s/powerline,s0undt3ch/powerline