docs(popup): fix a formatting in the example code
docs(popup): fix a formatting in the example code

Adding the proper amount of spaces
guaerguagua/ionic,JackieLin/ionic,bankonme/ionic,ahmadawais/ionic,javascriptit/ionic,open-anesthesia/ionic,treejames/ionic,pod4g/ionic,astagi/ionic,WingGao/ionic,KholofeloMoyaba/atajo-ui,youprofit/ionic,r14r/fork_ionic_master,MartinMa/ionic,envistaInteractive/ionic,michaellourenco/ionic,amitparrikar/ionic,promactkaran/ionic,jianganglu/ionic,PaperMonster/ionic,jvkops/ionic,GhostGroup/ionic,TakayukiSakai/ionic,Kryz/ionic,Jandersolutions/ionic,amitparrikar/ionic,CNVCrew/ionic,michaellourenco/ionic,jeremyrussell/ionic,Nalinc/ionic,mingming1986/ionic,johnli388/ionic,AlphaStaxLLC/ionic,zittix/ionic,q310550690/ionic,eaglesjava/ionic,uus169/ionic,yanzhihong23/ionic-nono,bewebltd/ionic,SobolevLexa/ionic,gyx8899/ionic,hectoruch/ionic,sitexa/ionic,kylezhang/ionic,kylezhang/ionic,jee1mr/meteor-ionic,Jandersolutions/ionic,lazamar/ionic,MeteorPackaging/ionic,Kryz/ionic,GhostGroup/ionic,htc550605125/ionic,contigo/ionic,deer-hope/ionic,jomaf1010/ionic,ptarjan/ionic,trevorgrayson/ionic,thiagofelix/ionic,abcd-ca/ionic,lazamar/ionic,ptarjan/ionic,100goals/ionic,yurtaev/ionic,MeteorPackaging/ionic,cnbin/ionic,janglednerves/ionic,puurinternet/ionic,CNVCrew/ionic,asfandiyark7/ionic,huangsen0912/ionic,ctetreault/ionic,trevorgrayson/ionic,leejeap/ionic,buiphu/ionic,rreinold/FitnessDashboard_IonicApp,100goals/ionic,tkh44/ionic,leejeap/ionic,fangjing828/ionic,open-anesthesia/ionic,leobetosouza/ionic,NandoKstroNet/ionic,zhonggaoyong/ionic,zittix/ionic,Xeeshan94/ionic,hanmichael/ionic,astagi/ionic,mhartington/ionic,beauby/ionic,Urigo/meteor-ionic,jgw96/ionic,leeric92/ionic,AppGyver/ionic,guaerguagua/ionic,fjzdjd/ionic,AppGyver/ionic,leobetosouza/ionic,ihongcn/ionic,DiZyStudio/ionic,studio666/ionic,100goals/ionic,zittix/ionic,PressReader/ionic,r14r-work/fork_ionic_master,jtomaszewski/ionic,jomaf1010/ionic,jamesdixon/ionic,JsonChiu/ionic,VinceOPS/ionic,deer-hope/ionic,edparsons/ionic,ViniciusAugusto/ionic,awhedbee22/ionic,caiiiycuk/ionic,thompsonemerson/ionic,ngonzalvez/ionic,nraboy/ionic,RodrigoIbarraSanchez/ionic,blueElix/ionic,edwardchor/ionic,ViniciusAugusto/ionic,ezc/ionic,r14r-work/fork_ionic_master,gyx8899/ionic,hectoruch/ionic,edwardchor/ionic,lewisl9029/ionic,agyrafa/ionic,guaerguagua/ionic,xzyfer/ionic,uidoyen/ionic,hanmichael/ionic,Flllexa/ionic,n0b0dy897/ionic,baiwyc119/ionic,agyrafa/ionic,agyrafa/ionic,zyaboutblank/ionic,Niades/ionic,jgw96/ionic,zhonggaoyong/ionic,mhartington/ionic,EricCheung3/ionic,caiiiycuk/ionic,TakayukiSakai/ionic,huangsen0912/ionic,sloops77/ionic,Jeremy017/ionic,blueElix/ionic,promactkaran/ionic,fanhaich/ionic,xuyuanxiang/ionic,Gregcop1/ionic,oneillsp96/ionic,cesarmarinhorj/ionic,ezc/ionic,KholofeloMoyaba/atajo-ui,youprofit/ionic,freedomdebug/ionic,ngonzalvez/ionic,asfandiyark7/ionic,mingming1986/ionic,fangjing828/ionic,Kryz/ionic,puurinternet/ionic,deer-hope/ionic,DurgaprasadPati/ionic,AndyShiTw/ionic,felquis/ionic,sloops77/ionic,baiwyc119/ionic,csbz17027/ionic,Gregcop1/ionic,contigo/ionic,Sourazou/login,taraszerebecki/ionic,jasdeepkhalsa/ionic,MJefferson/ionic,leerduo/ionic,blueElix/ionic,cnbin/ionic,SaadBinShahid/ionic,sloops77/ionic,cnbin/ionic,microlv/ionic,zhiqiangli520210/ionic,Xeeshan94/ionic,yanzhihong23/ionic-nono,chrisbautista/ionic,ddddm/ionic,954053260/ionic,GhostGroup/ionic,Niades/ionic,vjrantal/ionic,shazhumao/ionic,ihongcn/ionic,microlv/ionic,LawrenceHan/ionic,KholofeloMoyaba/atajo-ui,michaellourenco/ionic,abcd-ca/ionic,treejames/ionic,brant-hwang/ionic,emonidi/ionic,Drok1015/ionic,sthashree/ionic,brant-hwang/ionic,cesarmarinhorj/ionic,nelsonsozinho/ionic,willshen/ionic,ezc/ionic,MeteorPackaging/ionic,urish/ionic,felipealbuquerq/ionic,eric-stanley/ionic,hotarzhang/ionic,JoeyAndres/meteoric-sass,anongtech/ionic,openbizgit/ionic,r14r-work/fork_ionic,yanzhihong23/ionic-nono,xzyfer/ionic,n0b0dy897/ionic,daew823/ionic,pargatsingh-webklabs/ionic,celsoyh/ionic,csbz17027/ionic,bewebltd/ionic,treejames/ionic,vladipus/ionic,abcd-ca/ionic,possan/ionic,celsoyh/ionic,MarcBT/ionic,janij/ionic,csbz17027/ionic,chinakids/ionic,cbmeeks/ionic,xzyfer/ionic,huangsen0912/ionic,envistaInteractive/ionic,microlv/ionic,pargatsingh-webklabs/ionic,jee1mr/meteor-ionic,xuyuanxiang/ionic,asfandiyark7/ionic,sthashree/ionic,MeteorPackaging/ionic,LawrenceHan/ionic,NandoKstroNet/ionic,hotarzhang/ionic,freedomdebug/ionic,Kryz/ionic,SobolevLexa/ionic,bewebltd/ionic,Tetpay/ionic,wkrueger/ionic,daew823/ionic,954053260/ionic,edwardchor/ionic,mallzee/ionic,TakayukiSakai/ionic,pargatsingh-webklabs/ionic,r14r/fork_ionic_master,5amfung/ionic,studio666/ionic,thebigbrain/ionic,daew823/ionic,zhonggaoyong/ionic,VinceOPS/ionic,zyaboutblank/ionic,jamesdixon/ionic,ctetreault/ionic,ralic/ionic,open-anesthesia/ionic,staney7/ionic,Sourazou/login,huangsen0912/ionic,Baskmart/ionic,amitparrikar/ionic,eyalish/ionic,MartinMa/ionic,hotarzhang/ionic,MJefferson/ionic,xuyuanxiang/ionic,yalishizhude/ionic,MartinMa/ionic,ahmadawais/ionic,jango2015/ionic,gyx8899/ionic,VinceOPS/ionic,ngonzalvez/ionic,VinceOPS/ionic,AlphaStaxLLC/ionic,taraszerebecki/ion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