add allow attribute `class` to `<code>`
add allow attribute `class` to `<code>`

bygreencn/gogs,avelino/gitea,opavader/gogs,pentix/gogs,pwelter34/gogs,0rax/gogs,richmahn/gogs,tanapoln/gogs,DblK/gitea,tboerger/gitea,andreynering/gitea,mark77z/tt2016,typeless/gitea,mapmeld/codemingler,kiliit/gogs,sillydong/gogs,lafriks/gitea,xet7/gogs,ethantkoenig/gogs,odinuge/gogs,dl5rcw/gitea,gigforks/gogs,mukaiu/gogs,everhopingandwaiting/gogs,linquize/gogs,codeskyblue/gogs,everhopingandwaiting/gogs,psolyca/gitea,vCaesar/gitea,0rax/gogs,kong36088/SCAUGogits,dancewing/gogs,SlavikZ/gogs,mpindado/gogs,kong36088/SCAUGogits,go-gitea/gitea,w4ngyi/gogs,Janfred/gogs,mukaiu/gogs,bkcsoft/gogs,strk/gogs,cgars/gogs,tempbottle/gogs,geek1011/gitea,opavader/gogs,cgars/gogs,bygreencn/gogs,avelino/gitea,likeit92/gogs,xet7/gogs,mpindado/gogs,liliexuan/gogs,kubatyszko/gitea,geerlingguy/gogs,ForxaCoLab/forxa,Spice-King/gogs,beni55/gogs,denji/gitea_tmp,chriswatt/gogs,gogits/gogs,jorgesumle/gitea,tszym/gogs,psaavedra/gogs,xaionaro/gogs,sapk-fork/gitea,sapk-fork/gitea,dancewing/gogs,typeless/gitea,avelino/gitea,denji/gitea_tmp,manfer/gogs,strk/gogs,tboerger/gitea,kjellkvinge/gitea,huyueMiss/gogs,tboerger/gitea,tempbottle/gogs,mark77z/tt2016,andreynering/gitea,mapmeld/codemingler,pikacloud/pikacode,SlavikZ/gogs,geek1011/gitea,kjellkvinge/gitea,dnmgns/gitea,linquize/gogs,xaionaro/gogs,JonasFranzDEV/gitea,lunny/gitea,chriswatt/gogs,vdbt/gitea,xiaoyanit/gogs,psolyca/gitea,dancewing/gogs,huyueMiss/gogs,Janfred/gogs,cem/gogs,admik/gitea,kiliit/gogs,go-gitea/gitea,pikacloud/pikacode,jacobxk/gogs,cybe/gitea,huyueMiss/gogs,makhov/gitea,geerlingguy/gogs,gigforks/gogs,svcavallar/gogs,Morlinest/gitea,svcavallar/gogs,mapmeld/codemingler,vCaesar/gitea,xiaoyanit/gogs,Spice-King/gogs,psaavedra/gogs,spacetourist/gitea,CaeruleusAqua/gitea,tanapoln/gogs,tony/gogs,opavader/gogs,pwelter34/gogs,haoyixin/gogs,haoyixin/gogs,treejames/gogs,Spice-King/gogs,tony/gogs,SlavikZ/gogs,gigforks/gogs,sapk/gogs,pentix/gogs,typeless/gitea,Morlinest/gitea,JonasFranzDEV/gitea,cybe/gitea,sapk-fork/gitea,ForxaCoLab/forxa,beni55/gogs,linquize/gogs,jacobxk/gogs,everhopingandwaiting/gogs,ethantkoenig/gogs,everhopingandwaiting/gogs,lunny/gitea,mjwwit/gitea,0rax/gogs,xaionaro/gogs,ethantkoenig/gitea,cez81/gitea,CaeruleusAqua/gitea,rems4e/gitea,codeskyblue/gogs,liliexuan/gogs,cumgun/gitea,jorgesumle/gitea,denji/gitea,svcavallar/gogs,manfer/gogs,wangjild/gogs,willemvd/gitea,gigforks/gogs,lafriks/gitea,pentix/gogs,likeit92/gogs,mukaiu/gogs,ethantkoenig/gitea,dlob/gogs,tony/gogs,liliexuan/gogs,Bwko/gitea,gogits/gogs,strk/gogs,tszym/gogs,Bwko/gitea,jvanderneutstulen/gogs,sillydong/gogs,kong36088/SCAUGogits,haoyixin/gogs,kubatyszko/gitea,cez81/gitea,cgars/gogs,lunny/gitea,andrewrothstein/gogs,lafriks/gitea,cez81/gitea,kiliit/gogs,typeless/gitea,jqs7/gogs,jqs7/gogs,cem/gogs,ForxaCoLab/forxa,treejames/gogs,mark77z/tt2016,tszym/gogs,geerlingguy/gogs,gogits/gogs,beni55/gogs,andrewrothstein/gogs,minecrafter/gitea,manfer/gogs,rems4e/gitea,bkcsoft/gogs,jacobxk/gogs,w4ngyi/gogs,dnmgns/gitea,mjwwit/gitea,codeskyblue/gogs,sapk/gogs,pikacloud/pikacode,AndreaGiardini/gogs,kubatyszko/gitea,vdbt/gitea,chriswatt/gogs,treejames/gogs,wangjild/gogs,dlob/gogs,psaavedra/gogs,go-gitea/gitea,AndreaGiardini/gogs,Bwko/gitea,xiaoyanit/gogs,sapk-fork/gitea,tanapoln/gogs,sillydong/gogs,tempbottle/gogs,xet7/gogs,0rax/gogs,puffybsd/gitea,odinuge/gogs,richmahn/gogs,jvanderneutstulen/gogs,w4ngyi/gogs,jqs7/gogs,bkcsoft/gogs,wangjild/gogs,andrewrothstein/gogs,mpindado/gogs,cem/gogs,odinuge/gogs,denji/gitea_tmp,AndreaGiardini/gogs,DblK/gitea,denji/gitea_tmp,xormplus/gitea,avelino/gitea,dlob/gogs,cumgun/gitea,jvanderneutstulen/gogs,dancewing/gogs,Janfred/gogs,kjellkvinge/gitea,bygreencn/gogs,spacetourist/gitea,pwelter34/gogs,likeit92/gogs,dnmgns/gitea,sapk/gogs