Resolves issue #3401, improve readme on creating database for pre exising spree store
Resolves issue #3401, improve readme on creating database for pre exising spree store

https://github.com/spree/spree/issues/3401

karlitxo/spree,delphsoft/spree-store-ballchair,rbngzlv/spree,abhishekjain16/spree,Senjai/solidus,vinsol/spree,Senjai/solidus,maybii/spree,pervino/solidus,AgilTec/spree,dotandbo/spree,alvinjean/spree,raow/spree,reidblomquist/spree,xuewenfei/solidus,richardnuno/solidus,mindvolt/spree,Ropeney/spree,yomishra/pce,pulkit21/spree,sideci-sample/sideci-sample-spree,quentinuys/spree,Nevensoft/spree,Kagetsuki/spree,pulkit21/spree,tesserakt/clean_spree,vulk/spree,hoanghiep90/spree,njerrywerry/spree,jspizziri/spree,dandanwei/spree,cutefrank/spree,TimurTarasenko/spree,lyzxsc/spree,madetech/spree,priyank-gupta/spree,carlesjove/spree,brchristian/spree,vinsol/spree,calvinl/spree,quentinuys/spree,dandanwei/spree,JDutil/spree,rajeevriitm/spree,freerunningtech/spree,njerrywerry/spree,knuepwebdev/FloatTubeRodHolders,assembledbrands/spree,grzlus/spree,vinayvinsol/spree,Lostmyname/spree,pervino/spree,vulk/spree,maybii/spree,KMikhaylovCTG/spree,jordan-brough/spree,shaywood2/spree,grzlus/solidus,jeffboulet/spree,Boomkat/spree,net2b/spree,jimblesm/spree,dotandbo/spree,jspizziri/spree,locomotivapro/spree,quentinuys/spree,alejandromangione/spree,CJMrozek/spree,jsurdilla/solidus,ckk-scratch/solidus,jordan-brough/solidus,shaywood2/spree,APohio/spree,mleglise/spree,moneyspyder/spree,ayb/spree,lsirivong/solidus,firman/spree,sunny2601/spree,sliaquat/spree,vinayvinsol/spree,archSeer/spree,CJMrozek/spree,miyazawatomoka/spree,ramkumar-kr/spree,trigrass2/spree,Hates/spree,pjmj777/spree,freerunningtech/spree,bjornlinder/Spree,agient/agientstorefront,JuandGirald/spree,Hawaiideveloper/shoppingcart,lsirivong/solidus,yushine/spree,zaeznet/spree,archSeer/spree,sfcgeorge/spree,rbngzlv/spree,hoanghiep90/spree,sliaquat/spree,shekibobo/spree,Boomkat/spree,cutefrank/spree,mleglise/spree,yiqing95/spree,Machpowersystems/spree_mach,welitonfreitas/spree,Mayvenn/spree,SadTreeFriends/spree,ujai/spree,builtbybuffalo/spree,Ropeney/spree,watg/spree,CJMrozek/spree,ahmetabdi/spree,lsirivong/solidus,beni55/spree,softr8/spree,tailic/spree,azranel/spree,kitwalker12/spree,moneyspyder/spree,ramkumar-kr/spree,azranel/spree,volpejoaquin/spree,jimblesm/spree,pulkit21/spree,agient/agientstorefront,imella/spree,groundctrl/spree,bjornlinder/Spree,forkata/solidus,JDutil/spree,dafontaine/spree,grzlus/spree,derekluo/spree,bonobos/solidus,odk211/spree,omarsar/spree,tomash/spree,jaspreet21anand/spree,azclick/spree,knuepwebdev/FloatTubeRodHolders,yomishra/pce,lsirivong/spree,Migweld/spree,JDutil/spree,siddharth28/spree,Arpsara/solidus,nooysters/spree,project-eutopia/spree,yiqing95/spree,dafontaine/spree,grzlus/spree,Hawaiideveloper/shoppingcart,pervino/spree,pjmj777/spree,jeffboulet/spree,softr8/spree,jspizziri/spree,azclick/spree,Lostmyname/spree,azranel/spree,vinayvinsol/spree,reinaris/spree,gregoryrikson/spree-sample,joanblake/spree,vcavallo/spree,scottcrawford03/solidus,jordan-brough/solidus,caiqinghua/spree,net2b/spree,groundctrl/spree,ckk-scratch/solidus,miyazawatomoka/spree,sliaquat/spree,groundctrl/spree,NerdsvilleCEO/spree,calvinl/spree,adaddeo/spree,reinaris/spree,CJMrozek/spree,Kagetsuki/spree,derekluo/spree,KMikhaylovCTG/spree,progsri/spree,athal7/solidus,TrialGuides/spree,APohio/spree,alepore/spree,sideci-sample/sideci-sample-spree,Engeltj/spree,useiichi/spree,progsri/spree,caiqinghua/spree,rbngzlv/spree,odk211/spree,omarsar/spree,alvinjean/spree,hoanghiep90/spree,zamiang/spree,piousbox/spree,zaeznet/spree,RatioClothing/spree,StemboltHQ/spree,moneyspyder/spree,sunny2601/spree,jspizziri/spree,mleglise/spree,mindvolt/spree,siddharth28/spree,orenf/spree,wolfieorama/spree,Senjai/spree,athal7/solidus,trigrass2/spree,urimikhli/spree,ayb/spree,jparr/spree,ujai/spree,berkes/spree,volpejoaquin/spree,agient/agientstorefront,firman/spree,softr8/spree,priyank-gupta/spree,Kagetsuki/spree,archSeer/spree,rakibulislam/spree,softr8/spree,firman/spree,kitwalker12/spree,robodisco/spree,alvinjean/spree,lsirivong/spree,shaywood2/spree,jparr/spree,richardnuno/solidus,surfdome/spree,forkata/solidus,locomotivapro/spree,archSeer/spree,beni55/spree,priyank-gupta/spree,tancnle/spree,robodisco/spree,camelmasa/spree,vcavallo/spree,builtbybuffalo/spree,mleglise/spree,reidblomquist/spree,locomotivapro/spree,beni55/spree,delphsoft/spree-store-ballchair,Mayvenn/spree,rajeevriitm/spree,woboinc/spree,vmatekole/spree,woboinc/spree,calvinl/spree,yushine/spree,ckk-scratch/solidus,project-eutopia/spree,jimblesm/spree,vmatekole/spree,lsirivong/solidus,xuewenfei/solidus,useiichi/spree,Engeltj/spree,abhishekjain16/spree,zamiang/spree,dafontaine/spree,hifly/spree,alejandromangione/spree,brchristian/spree,grzlus/solidus,DarkoP/spree,Kagetsuki/spree,JuandGirald/spree,pervino/spree,net2b/spree,PhoenixTeam/spree_phoenix,CiscoCloud/spree,assembledbrands/spree,urimikhli/spree,builtbybuffalo/spree,jaspreet21anand/spree,devilcoders/solidus,rakibulislam/spree,vinsol/spree,JDutil/spree,lyzxsc/spree,xuewenfei/solidus,TimurTarasenko/spree,karlitxo/spree,jasonfb/spree,pervino/solidus,priyank-gupta/spree,siddharth28/spree,hifly/spree,shioyama/spree,azclick/spree,imella/spree,keatonrow/spree,knuepwebdev/FloatTubeRodHolders,surfdome/spree,berkes/spree,AgilTec/spree,derekluo/spree,TimurTarasenko/spree,kewaunited/spree,vulk/spree,FadliKun/spree,Machpowersystems/spree_mach,adaddeo/spree,grzlus/spree,scottcrawford03/solidus,siddharth28/spree,FadliKun/spree,SadTreeFriends/spree,Lostmyname/spree,dandanwei/spree,Nevensoft/spree,tailic/spree,JuandGirald/spree,NerdsvilleCEO/spree,Arpsara/solidus,wolfieorama/spree,karlitxo/spree,StemboltHQ/spree,Migweld/spree,kewaunited/spree,tancnle/spree,rajeevriitm/spree,lsirivong/spree,joanblake/spree,Nevensoft/spree,Lostmyname/spree,radarseesradar/spree,jaspreet21anand/spree,jasonfb/spree,edgward/spree,patdec/spree,DynamoMTL/spree,ahmetabdi/spree,yiqing95/spree,raow/spree,njerrywerry/spree,useiichi/spree,alepore/spree,jhawthorn/spree,tomash/spree,cutefrank/spree,TrialGuides/spree,jhawthorn/spree,Ropeney/spree,reidblomquist/spree,robodisco/spree,shaywood2/spree,delphsoft/spree-store-ballchair,PhoenixTeam/spree_phoenix,keatonrow/spree,yushine/spree,miyazawatomoka/spree,jparr/spree,sfcgeorge/spree,camelmasa/spree,madetech/spree,trigrass2/spree,keatonrow/spree,lyzxsc/spree,forkata/solidus,joanblake/spree,project-eutopia/spree,TrialGuides/spree,berkes/spree,TimurTarasenko/spree,calvinl/spree,berkes/spree,vcavallo/spree,TrialGuides/spree,tesserakt/clean_spree,sliaquat/spree,njerrywerry/spree,scottcrawford03/solidus,welitonfreitas/spree,APohio/spree,odk211/spree,rajeevriitm/spree,gautamsawhney/spree,omarsar/spree,CiscoCloud/spree,yushine/spree,thogg4/spree,vmatekole/spree,shekibobo/spree,gautamsawhney/spree,tailic/spree,edgward/spree,tesserakt/clean_spree,shioyama/spree,net2b/spree,progsri/spree,patdec/spree,pervino/solidus,devilcoders/solidus,Engeltj/spree,camelmasa/spree,Ropeney/spree,Machpowersystems/spree_mach,kewaunited/spree,orenf/spree,surfdome/spree,assembledbrands/spree,shioyama/spree,sfcgeorge/spree,volpejoaquin/spree,jimblesm/spree,alejandromangione/spree,athal7/solidus,derekluo/spree,bonobos/solidus,lyzxsc/spree,FadliKun/spree,orenf/spree,NerdsvilleCEO/spree,gregoryrikson/spree-sample,Senjai/solidus,jsurdilla/solidus,jsurdilla/solidus,Engeltj/spree,raow/spree,locomotivapro/spree,ramkumar-kr/spree,jparr/spree,DarkoP/spree,sunny2601/spree,jsurdilla/solidus,welitonfreitas/spree,bricesanchez/spree,piousbox/spree,LBRapid/spree,lsirivong/spree,LBRapid/spree,wolfieorama/spree,Boomkat/spree,sunny2601/spree,Hawaiideveloper/shoppingcart,edgward/spree,tesserakt/clean_spree,degica/spree,imella/spree,ayb/spree,NerdsvilleCEO/spree,mindvolt/spree,xuewenfei/solidus,piousbox/spree,Boomkat/spree,madetech/spree,CiscoCloud/spree,thogg4/spree,freerunningtech/spree,alejandromangione/spree,devilcoders/solidus,jordan-brough/solidus,CiscoCloud/spree,omarsar/spree,bricesanchez/spree,bonobos/solidus,dandanwei/spree,patdec/spree,Hates/spree,richardnuno/solidus,Hawaiideveloper/shoppingcart,RatioClothing/spree,zamiang/spree,rakibulislam/spree,vinayvinsol/spree,Mayvenn/spree,odk211/spree,Mayvenn/spree,athal7/solidus,zamiang/spree,orenf/spree,project-eutopia/spree,jordan-brough/spree,carlesjove/spree,welitonfreitas/spree,degica/spree,ckk-scratch/solidus,dotandbo/spree,Migweld/spree,pervino/spree,thogg4/spree,progsri/spree,Arpsara/solidus,nooysters/spree,APohio/spree,ahmetabdi/spree,alepore/spree,tomash/spree,sfcgeorge/spree,JuandGirald/spree,scottcrawford03/solidus,vinsol/spree,SadTreeFriends/spree,bjornlinder/Spree,fahidnasir/spree,gregoryrikson/spree-sample,FadliKun/spree,radarseesradar/spree,fahidnasir/spree,mindvolt/spree,brchristian/spree,bricesanchez/spree,DynamoMTL/spree,hifly/spree,gautamsawhney/spree,trigrass2/spree,karlitxo/spree,jhawthorn/spree,PhoenixTeam/spree_phoenix,Arpsara/solidus,yiqing95/spree,maybii/spree,brchristian/spree,maybii/spree,grzlus/solidus,reinaris/spree,carlesjove/spree,grzlus/solidus,zaeznet/spree,camelmasa/spree,azclick/spree,piousbox/spree,alvinjean/spree,useiichi/spree,ahmetabdi/spree,jeffboulet/spree,jeffboulet/spree,beni55/spree,jordan-brough/solidus,gregoryrikson/spree-sample,DynamoMTL/spree,watg/spree,ujai/spree,hoanghiep90/spree,yomishra/pce,fahidnasir/spree,forkata/solidus,RatioClothing/spree,kitwalker12/spree,KMikhaylovCTG/spree,DarkoP/spree,abhishekjain16/spree,SadTreeFriends/spree,wolfieorama/spree,reidblomquist/spree,degica/spree,joanblake/spree,firman/spree,dafontaine/spree,urimikhli/spree,bonobos/solidus,gautamsawhney/spree,caiqinghua/spree,AgilTec/spree,Senjai/spree,reinaris/spree,nooysters/spree,LBRapid/spree,pulkit21/spree,hifly/spree,radarseesradar/spree,jordan-brough/spree,keatonrow/spree,tancnle/spree,vcavallo/spree,quentinuys/spree,abhishekjain16/spree,vmatekole/spree,pjmj777/spree,biagidp/spree,richardnuno/solidus,groundctrl/spree,AgilTec/spree,fahidnasir/spree,StemboltHQ/spree,thogg4/spree,KMikhaylovCTG/spree,tancnle/spree,builtbybuffalo/spree,rakibulislam/spree,robodisco/spree,jasonfb/spree,PhoenixTeam/spree_phoenix,Senjai/solidus,devilcoders/solidus,rbngzlv/spree,Nevensoft/spree,kewaunited/spree,DarkoP/spree,Hates/spree,dotandbo/spree,adaddeo/spree,carlesjove/spree,delphsoft/spree-store-ballchair,zaeznet/spree,jasonfb/spree,ayb/spree,azranel/spree,Migweld/spree,watg/spree,ramkumar-kr/spree,moneyspyder/spree,woboinc/spree,volpejoaquin/spree,radarseesradar/spree,DynamoMTL/spree,raow/spree,madetech/spree,jaspreet21anand/spree,cutefrank/spree,adaddeo/spree,Senjai/spree,Hates/spree,caiqinghua/spree,biagidp/spree,pervino/solidus,nooysters/spree,shekibobo/spree,tomash/spree,miyazawatomoka/spree,patdec/spree,agient/agientstorefront,biagidp/spree,edgward/spree,vulk/spree,surfdome/spree,shekibobo/spree,sideci-sample/sideci-sample-spree