Add make html-errors to the docs Makefile help
Add make html-errors to the docs Makefile help

ahhda/sympy,maniteja123/sympy,lidavidm/sympy,aktech/sympy,kaichogami/sympy,wanglongqi/sympy,toolforger/sympy,wyom/sympy,MridulS/sympy,grevutiu-gabriel/sympy,debugger22/sympy,Arafatk/sympy,yashsharan/sympy,lindsayad/sympy,rahuldan/sympy,asm666/sympy,AunShiLord/sympy,madan96/sympy,chaffra/sympy,Vishluck/sympy,cswiercz/sympy,sampadsaha5/sympy,shikil/sympy,Arafatk/sympy,Vishluck/sympy,Arafatk/sympy,jaimahajan1997/sympy,Sumith1896/sympy,yukoba/sympy,hargup/sympy,drufat/sympy,AunShiLord/sympy,liangjiaxing/sympy,kaichogami/sympy,wanglongqi/sympy,oliverlee/sympy,Curious72/sympy,shipci/sympy,iamutkarshtiwari/sympy,maniteja123/sympy,toolforger/sympy,Gadal/sympy,farhaanbukhsh/sympy,AkademieOlympia/sympy,Davidjohnwilson/sympy,sahmed95/sympy,postvakje/sympy,mcdaniel67/sympy,hargup/sympy,flacjacket/sympy,amitjamadagni/sympy,debugger22/sympy,sunny94/temp,yashsharan/sympy,jerli/sympy,sahilshekhawat/sympy,abhiii5459/sympy,atsao72/sympy,emon10005/sympy,meghana1995/sympy,garvitr/sympy,wyom/sympy,oliverlee/sympy,kevalds51/sympy,lidavidm/sympy,souravsingh/sympy,ChristinaZografou/sympy,chaffra/sympy,sahilshekhawat/sympy,emon10005/sympy,moble/sympy,toolforger/sympy,drufat/sympy,meghana1995/sympy,abloomston/sympy,yashsharan/sympy,Designist/sympy,sunny94/temp,aktech/sympy,bukzor/sympy,kumarkrishna/sympy,asm666/sympy,kmacinnis/sympy,sunny94/temp,dqnykamp/sympy,diofant/diofant,MridulS/sympy,yukoba/sympy,moble/sympy,kaushik94/sympy,ga7g08/sympy,cccfran/sympy,shipci/sympy,Vishluck/sympy,Shaswat27/sympy,Gadal/sympy,kevalds51/sympy,garvitr/sympy,vipulroxx/sympy,sahmed95/sympy,abloomston/sympy,AkademieOlympia/sympy,kmacinnis/sympy,Curious72/sympy,iamutkarshtiwari/sympy,jamesblunt/sympy,saurabhjn76/sympy,souravsingh/sympy,kumarkrishna/sympy,sahmed95/sympy,ahhda/sympy,Sumith1896/sympy,skidzo/sympy,sampadsaha5/sympy,liangjiaxing/sympy,atreyv/sympy,Gadal/sympy,beni55/sympy,cswiercz/sympy,saurabhjn76/sympy,garvitr/sympy,atreyv/sympy,shikil/sympy,MechCoder/sympy,lindsayad/sympy,VaibhavAgarwalVA/sympy,wyom/sympy,aktech/sympy,postvakje/sympy,abhiii5459/sympy,mafiya69/sympy,asm666/sympy,VaibhavAgarwalVA/sympy,Shaswat27/sympy,pbrady/sympy,AunShiLord/sympy,grevutiu-gabriel/sympy,skidzo/sympy,ga7g08/sympy,Mitchkoens/sympy,srjoglekar246/sympy,postvakje/sympy,cswiercz/sympy,yukoba/sympy,mafiya69/sympy,saurabhjn76/sympy,iamutkarshtiwari/sympy,pandeyadarsh/sympy,shipci/sympy,jaimahajan1997/sympy,pbrady/sympy,farhaanbukhsh/sympy,hrashk/sympy,rahuldan/sympy,beni55/sympy,ChristinaZografou/sympy,madan96/sympy,Davidjohnwilson/sympy,hrashk/sympy,skidzo/sympy,kaushik94/sympy,Davidjohnwilson/sympy,bukzor/sympy,liangjiaxing/sympy,mcdaniel67/sympy,Sumith1896/sympy,hrashk/sympy,jbbskinny/sympy,maniteja123/sympy,souravsingh/sympy,kaichogami/sympy,farhaanbukhsh/sympy,jamesblunt/sympy,emon10005/sympy,VaibhavAgarwalVA/sympy,Shaswat27/sympy,jbbskinny/sympy,lidavidm/sympy,meghana1995/sympy,jerli/sympy,kumarkrishna/sympy,madan96/sympy,vipulroxx/sympy,MechCoder/sympy,skirpichev/omg,abloomston/sympy,amitjamadagni/sympy,atsao72/sympy,kmacinnis/sympy,kevalds51/sympy,cccfran/sympy,AkademieOlympia/sympy,Titan-C/sympy,beni55/sympy,jaimahajan1997/sympy,mafiya69/sympy,pandeyadarsh/sympy,Titan-C/sympy,Curious72/sympy,dqnykamp/sympy,atsao72/sympy,shikil/sympy,ahhda/sympy,ChristinaZografou/sympy,MechCoder/sympy,Titan-C/sympy,atreyv/sympy,drufat/sympy,kaushik94/sympy,rahuldan/sympy,ga7g08/sympy,MridulS/sympy,chaffra/sympy,hargup/sympy,mcdaniel67/sympy,abhiii5459/sympy,wanglongqi/sympy,Designist/sympy,debugger22/sympy,lindsayad/sympy,pbrady/sympy,Mitchkoens/sympy,jerli/sympy,moble/sympy,oliverlee/sympy,cccfran/sympy,pandeyadarsh/sympy,jamesblunt/sympy,jbbskinny/sympy,Designist/sympy,grevutiu-gabriel/sympy,dqnykamp/sympy,Mitchkoens/sympy,sampadsaha5/sympy,bukzor/sympy,vipulroxx/sympy,sahilshekhawat/sympy