DOC remove Dynamic Creation of Item Classes section
DOC remove Dynamic Creation of Item Classes section

It was a hack, and dicts-as-items cover most use cases.

Dicts don't allow to attach metadata to fields,
but e.g. adding "_meta" key and removing it in a custom serializer
is no worse than creating classes dynamically.

Allianzcortex/scrapy,Ryezhang/scrapy,shaform/scrapy,curita/scrapy,Timeship/scrapy,Bourneer/scrapy,Preetwinder/scrapy,smaty1/scrapy,hyrole/scrapy,yusofm/scrapy,Djlavoy/scrapy,livepy/scrapy,GregoryVigoTorres/scrapy,ENjOyAbLE1991/scrapy,elacuesta/scrapy,GregoryVigoTorres/scrapy,WilliamKinaan/scrapy,hectoruelo/scrapy,Bourneer/scrapy,tntC4stl3/scrapy,yusofm/scrapy,rdowinton/scrapy,tliber/scrapy,crasker/scrapy,agreen/scrapy,Geeglee/scrapy,famorted/scrapy,hbwzhsh/scrapy,foromer4/scrapy,umrashrf/scrapy,barraponto/scrapy,jiezhu2007/scrapy,nikgr95/scrapy,GregoryVigoTorres/scrapy,huoxudong125/scrapy,Lucifer-Kim/scrapy,fontenele/scrapy,rdowinton/scrapy,pranjalpatil/scrapy,eLRuLL/scrapy,mlyundin/scrapy,liyy7/scrapy,zhangtao11/scrapy,redapple/scrapy,TarasRudnyk/scrapy,heamon7/scrapy,IvanGavran/scrapy,ArturGaspar/scrapy,haiiiiiyun/scrapy,pfctdayelise/scrapy,aivarsk/scrapy,zjuwangg/scrapy,dracony/scrapy,eliasdorneles/scrapy,jiezhu2007/scrapy,KublaikhanGeek/scrapy,profjrr/scrapy,Chenmxs/scrapy,stenskjaer/scrapy,smaty1/scrapy,nfunato/scrapy,songfj/scrapy,barraponto/scrapy,olafdietsche/scrapy,aivarsk/scrapy,zackslash/scrapy,codebhendi/scrapy,pablohoffman/scrapy,scorphus/scrapy,csalazar/scrapy,TarasRudnyk/scrapy,pfctdayelise/scrapy,darkrho/scrapy-scrapy,nguyenhongson03/scrapy,OpenWhere/scrapy,nguyenhongson03/scrapy,rolando-contrib/scrapy,kimimj/scrapy,tliber/scrapy,kashyap32/scrapy,redapple/scrapy,avtoritet/scrapy,Cnfc19932/scrapy,yidongliu/scrapy,rolando/scrapy,z-fork/scrapy,umrashrf/scrapy,CENDARI/scrapy,Adai0808/scrapy-1,legendtkl/scrapy,eLRuLL/scrapy,olorz/scrapy,hyrole/scrapy,wujuguang/scrapy,raphaelfruneaux/scrapy,URXtech/scrapy,OpenWhere/scrapy,wenyu1001/scrapy,xiao26/scrapy,AaronTao1990/scrapy,snowdream1314/scrapy,ylcolala/scrapy,xiao26/scrapy,mgedmin/scrapy,moraesnicol/scrapy,rootAvish/scrapy,webmakin/scrapy,taito/scrapy,Preetwinder/scrapy,agreen/scrapy,hansenDise/scrapy,starrify/scrapy,zorojean/scrapy,scrapy/scrapy,foromer4/scrapy,yarikoptic/scrapy,taito/scrapy,Allianzcortex/scrapy,agusc/scrapy,zjuwangg/scrapy,JacobStevenR/scrapy,snowdream1314/scrapy,rklabs/scrapy,amboxer21/scrapy,jc0n/scrapy,jdemaeyer/scrapy,wzyuliyang/scrapy,CodeJuan/scrapy,OpenWhere/scrapy,bmess/scrapy,hwsyy/scrapy,IvanGavran/scrapy,yarikoptic/scrapy,cyberplant/scrapy,JacobStevenR/scrapy,AaronTao1990/scrapy,wujuguang/scrapy,curita/scrapy,agusc/scrapy,hwsyy/scrapy,Cnfc19932/scrapy,nowopen/scrapy,Adai0808/scrapy-1,kashyap32/scrapy,hansenDise/scrapy,ENjOyAbLE1991/scrapy,Cnfc19932/scrapy,ylcolala/scrapy,1yvT0s/scrapy,AaronTao1990/scrapy,kalessin/scrapy,irwinlove/scrapy,cleydson/scrapy,Preetwinder/scrapy,lacrazyboy/scrapy,zorojean/scrapy,coderabhishek/scrapy,johnardavies/scrapy,cursesun/scrapy,TarasRudnyk/scrapy,ssh-odoo/scrapy,kazitanvirahsan/scrapy,tagatac/scrapy,pablohoffman/scrapy,eliasdorneles/scrapy,URXtech/scrapy,Digenis/scrapy,arush0311/scrapy,pawelmhm/scrapy,jc0n/scrapy,Bourneer/scrapy,pombredanne/scrapy,Timeship/scrapy,cleydson/scrapy,yusofm/scrapy,snowdream1314/scrapy,olorz/scrapy,KublaikhanGeek/scrapy,crasker/scrapy,olorz/scrapy,fpy171/scrapy,farhan0581/scrapy,fpy171/scrapy,avtoritet/scrapy,legendtkl/scrapy,songfj/scrapy,kalessin/scrapy,foromer4/scrapy,ssteo/scrapy,cursesun/scrapy,pfctdayelise/scrapy,csalazar/scrapy,legendtkl/scrapy,cyrixhero/scrapy,github-account-because-they-want-it/scrapy,nowopen/scrapy,famorted/scrapy,WilliamKinaan/scrapy,haiiiiiyun/scrapy,amboxer21/scrapy,profjrr/scrapy,1yvT0s/scrapy,rdowinton/scrapy,fafaman/scrapy,wzyuliyang/scrapy,mlyundin/scrapy,songfj/scrapy,yarikoptic/scrapy,Timeship/scrapy,pombredanne/scrapy,rolando/scrapy,rahulsharma1991/scrapy,godfreyy/scrapy,irwinlove/scrapy,fqul/scrapy,Slater-Victoroff/scrapy,hwsyy/scrapy,finfish/scrapy,zorojean/scrapy,johnardavies/scrapy,rklabs/scrapy,fqul/scrapy,Parlin-Galanodel/scrapy,ylcolala/scrapy,nfunato/scrapy,scrapy/scrapy,dacjames/scrapy,jeffreyjinfeng/scrapy,wzyuliyang/scrapy,kmike/scrapy,coderabhishek/scrapy,agusc/scrapy,dacjames/scrapy,Partoo/scrapy,Ryezhang/scrapy,darkrho/scrapy-scrapy,famorted/scrapy,yidongliu/scrapy,JacobStevenR/scrapy,URXtech/scrapy,dracony/scrapy,fqul/scrapy,haiiiiiyun/scrapy,moraesnicol/scrapy,tntC4stl3/scrapy,eLRuLL/scrapy,tagatac/scrapy,rootAvish/scrapy,hbwzhsh/scrapy,codebhendi/scrapy,wangjun/scrapy,nikgr95/scrapy,nfunato/scrapy,fpy171/scrapy,huoxudong125/scrapy,bmess/scrapy,Partoo/scrapy,Lucifer-Kim/scrapy,codebhendi/scrapy,cyrixhero/scrapy,shaform/scrapy,dgillis/scrapy,Allianzcortex/scrapy,Djlavoy/scrapy,jc0n/scrapy,elacuesta/scrapy,YeelerG/scrapy,elijah513/scrapy,CodeJuan/scrapy,stenskjaer/scrapy,fontenele/scrapy,lacrazyboy/scrapy,Ryezhang/scrapy,tagatac/scrapy,cursesun/scrapy,irwinlove/scrapy,pranjalpatil/scrapy,1yvT0s/scrapy,liyy7/scrapy,fafaman/scrapy,lacrazyboy/scrapy,github-account-because-they-want-it/scrapy,z-fork/scrapy,elijah513/scrapy,rahulsharma1991/scrapy,z-fork/scrapy,Djlavoy/scrapy,carlosp420/scrapy,agreen/scrapy,starrify/scrapy,hectoruelo/scrapy,zjuwangg/scrapy,moraesnicol/scrapy,elijah513/scrapy,dgillis/scrapy,ssh-odoo/scrapy,pombredanne/scrapy,pawelmhm/scrapy,cleydson/scrapy,crasker/scrapy,Parlin-Galanodel/scrapy,Lucifer-Kim/scrapy,pranjalpatil/scrapy,fafaman/scrapy,CENDARI/scrapy,csalazar/scrapy,carlosp420/scrapy,johnardavies/scrapy,umrashrf/scrapy,w495/scrapy,kimimj/scrapy,olafdietsche/scrapy,mgedmin/scrapy,Digenis/scrapy,farhan0581/scrapy,godfreyy/scrapy,kazitanvirahsan/scrapy,dangra/scrapy,godfreyy/scrapy,pablohoffman/scrapy,finfish/scrapy,w495/scrapy,wangjun/scrapy,github-account-because-they-want-it/scrapy,ENjOyAbLE1991/scrapy,wenyu1001/scrapy,livepy/scrapy,mgedmin/scrapy,stenskjaer/scrapy,jiezhu2007/scrapy,livepy/scrapy,wangjun/scrapy,cyberplant/scrapy,hectoruelo/scrapy,nguyenhongson03/scrapy,scorphus/scrapy,Geeglee/scrapy,starrify/scrapy,YeelerG/scrapy,pawelmhm/scrapy,tliber/scrapy,Zephor5/scrapy,KublaikhanGeek/scrapy,Parlin-Galanodel/scrapy,jeffreyjinfeng/scrapy,yidongliu/scrapy,zackslash/scrapy,huoxudong125/scrapy,raphaelfruneaux/scrapy,taito/scrapy,Digenis/scrapy,jdemaeyer/scrapy,rolando-contrib/scrapy,kmike/scrapy,amboxer21/scrapy,xiao26/scrapy,dacjames/scrapy,CodeJuan/scrapy,dangra/scrapy,wujuguang/scrapy,ssh-odoo/scrapy,rahulsharma1991/scrapy,dangra/scrapy,darkrho/scrapy-scrapy,raphaelfruneaux/scrapy,arush0311/scrapy,wenyu1001/scrapy,avtoritet/scrapy,zhangtao11/scrapy,webmakin/scrapy,Partoo/scrapy,webmakin/scrapy,ArturGaspar/scrapy,ssteo/scrapy,elacuesta/scrapy,Chenmxs/scrapy,hansenDise/scrapy,hyrole/scrapy,arush0311/scrapy,mlyundin/scrapy,rolando/scrapy,farhan0581/scrapy,redapple/scrapy,kashyap32/scrapy,liyy7/scrapy,dracony/scrapy,olafdietsche/scrapy,coderabhishek/scrapy,Geeglee/scrapy,kmike/scrapy,profjrr/scrapy,Slater-Victoroff/scrapy,heamon7/scrapy,rolando-contrib/scrapy,rklabs/scrapy,Chenmxs/scrapy,barraponto/scrapy,kazitanvirahsan/scrapy,w495/scrapy,WilliamKinaan/scrapy,Slater-Victoroff/scrapy,nikgr95/scrapy,ArturGaspar/scrapy,carlosp420/scrapy,IvanGavran/scrapy,Zephor5/scrapy,aivarsk/scrapy,CENDARI/scrapy,smaty1/scrapy,curita/scrapy,YeelerG/scrapy,scorphus/scrapy,fontenele/scrapy,rootAvish/scrapy,finfish/scrapy,Adai0808/scrapy-1,ssteo/scrapy,kalessin/scrapy,jeffreyjinfeng/scrapy,hbwzhsh/scrapy,cyrixhero/scrapy,eliasdorneles/scrapy,kimimj/scrapy,jdemaeyer/scrapy,zhangtao11/scrapy,scrapy/scrapy,bmess/scrapy,cyberplant/scrapy,tntC4stl3/scrapy,zackslash/scrapy,Zephor5/scrapy,dgillis/scrapy,heamon7/scrapy,shaform/scrapy,nowopen/scrapy