Doc: update examples section with quotes.toscrape.com spiders
Doc: update examples section with quotes.toscrape.com spiders

Parlin-Galanodel/scrapy,umrashrf/scrapy,ArturGaspar/scrapy,pablohoffman/scrapy,wenyu1001/scrapy,pablohoffman/scrapy,finfish/scrapy,wujuguang/scrapy,redapple/scrapy,GregoryVigoTorres/scrapy,ArturGaspar/scrapy,starrify/scrapy,crasker/scrapy,Parlin-Galanodel/scrapy,GregoryVigoTorres/scrapy,rolando-contrib/scrapy,dangra/scrapy,scrapy/scrapy,w495/scrapy,kmike/scrapy,pablohoffman/scrapy,rolando-contrib/scrapy,GregoryVigoTorres/scrapy,kmike/scrapy,starrify/scrapy,finfish/scrapy,ssteo/scrapy,Ryezhang/scrapy,wenyu1001/scrapy,shaform/scrapy,ssteo/scrapy,dangra/scrapy,elacuesta/scrapy,w495/scrapy,taito/scrapy,darkrho/scrapy-scrapy,elacuesta/scrapy,darkrho/scrapy-scrapy,umrashrf/scrapy,rootAvish/scrapy,w495/scrapy,rolando/scrapy,shaform/scrapy,wujuguang/scrapy,scrapy/scrapy,pawelmhm/scrapy,dangra/scrapy,eLRuLL/scrapy,taito/scrapy,redapple/scrapy,crasker/scrapy,rolando/scrapy,jc0n/scrapy,rootAvish/scrapy,Ryezhang/scrapy,umrashrf/scrapy,Ryezhang/scrapy,starrify/scrapy,crasker/scrapy,arush0311/scrapy,arush0311/scrapy,kmike/scrapy,wujuguang/scrapy,wenyu1001/scrapy,jc0n/scrapy,Parlin-Galanodel/scrapy,foromer4/scrapy,elacuesta/scrapy,rolando/scrapy,ssteo/scrapy,scrapy/scrapy,shaform/scrapy,darkrho/scrapy-scrapy,eLRuLL/scrapy,pawelmhm/scrapy,foromer4/scrapy,ArturGaspar/scrapy,foromer4/scrapy,rolando-contrib/scrapy,arush0311/scrapy,pawelmhm/scrapy,taito/scrapy,eLRuLL/scrapy,jc0n/scrapy,finfish/scrapy,redapple/scrapy,rootAvish/scrapy