Add a warning about UCS-2 builds to the documentation
Add a warning about UCS-2 builds to the documentation

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