Tune whitespace in README.md
Tune whitespace in README.md

* Realign `end` statements with the opening `class` statement.
* Pad JavaScript objects with spaces to match Rails styleguide and for consistency with other examples.
bradleypriest/rails,mijoharas/rails,yasslab/railsguides.jp,illacceptanything/illacceptanything,georgeclaghorn/rails,maicher/rails,gauravtiwari/rails,tijwelch/rails,illacceptanything/illacceptanything,tgxworld/rails,illacceptanything/illacceptanything,kirs/rails-1,deraru/rails,riseshia/railsguides.kr,pvalena/rails,illacceptanything/illacceptanything,palkan/rails,mathieujobin/reduced-rails-for-travis,mathieujobin/reduced-rails-for-travis,rafaelfranca/omg-rails,tgxworld/rails,mohitnatoo/rails,yahonda/rails,gcourtemanche/rails,ttanimichi/rails,jeremy/rails,tjschuck/rails,georgeclaghorn/rails,Spin42/rails,brchristian/rails,tjschuck/rails,yalab/rails,elfassy/rails,illacceptanything/illacceptanything,pschambacher/rails,samphilipd/rails,rossta/rails,BlakeWilliams/rails,odedniv/rails,riseshia/railsguides.kr,mijoharas/rails,kaspth/rails,arunagw/rails,MSP-Greg/rails,arunagw/rails,kirs/rails-1,ledestin/rails,yahonda/rails,palkan/rails,BlakeWilliams/rails,kenta-s/rails,kmayer/rails,kirs/rails-1,ledestin/rails,EmmaB/rails-1,Stellenticket/rails,richseviora/rails,assain/rails,joonyou/rails,mohitnatoo/rails,betesh/rails,MichaelSp/rails,gfvcastro/rails,utilum/rails,yasslab/railsguides.jp,ngpestelos/rails,lcreid/rails,coreyward/rails,schuetzm/rails,illacceptanything/illacceptanything,marklocklear/rails,palkan/rails,mechanicles/rails,prathamesh-sonpatki/rails,rails/rails,Stellenticket/rails,kamipo/rails,gfvcastro/rails,valencar/actioncable,kddeisz/rails,Envek/rails,shioyama/rails,rafaelfranca/omg-rails,betesh/rails,kachick/rails,Vasfed/rails,repinel/rails,EmmaB/rails-1,yalab/rails,pschambacher/rails,gauravtiwari/rails,kmcphillips/rails,arjes/rails,prathamesh-sonpatki/rails,joonyou/rails,Sen-Zhang/rails,aditya-kapoor/rails,Stellenticket/rails,alecspopa/rails,yhirano55/rails,kddeisz/rails,kmayer/rails,bogdanvlviv/rails,kaspth/rails,kenta-s/rails,betesh/rails,Sen-Zhang/rails,Erol/rails,mechanicles/rails,marklocklear/rails,Erol/rails,voray/rails,sealocal/rails,mtsmfm/railstest,aditya-kapoor/rails,travisofthenorth/rails,MSP-Greg/rails,illacceptanything/illacceptanything,koic/rails,utilum/rails,bolek/rails,brchristian/rails,illacceptanything/illacceptanything,rushingfitness/actioncable,shioyama/rails,flanger001/rails,eileencodes/rails,tgxworld/rails,bogdanvlviv/rails,alecspopa/rails,samphilipd/rails,ngpestelos/rails,tjschuck/rails,xlymian/rails,untidy-hair/rails,bogdanvlviv/rails,repinel/rails,eileencodes/rails,Edouard-chin/rails,rbhitchcock/rails,Erol/rails,yasslab/railsguides.jp,yhirano55/rails,deraru/rails,yasslab/railsguides.jp,esparta/rails,Vasfed/rails,illacceptanything/illacceptanything,flanger001/rails,rbhitchcock/rails,yawboakye/rails,aditya-kapoor/rails,kenta-s/rails,Edouard-chin/rails,bolek/rails,printercu/rails,kmcphillips/rails,mechanicles/rails,elfassy/rails,rails/rails,matrinox/rails,gavingmiller/rails,yalab/rails,MichaelSp/rails,travisofthenorth/rails,kamipo/rails,fabianoleittes/rails,arunagw/rails,lcreid/rails,ledestin/rails,utilum/rails,stefanmb/rails,gfvcastro/rails,xlymian/rails,MichaelSp/rails,yawboakye/rails,schuetzm/rails,MSP-Greg/rails,kamipo/rails,pvalena/rails,illacceptanything/illacceptanything,EmmaB/rails-1,pvalena/rails,jeremy/rails,starknx/rails,mijoharas/rails,iainbeeston/rails,untidy-hair/rails,voray/rails,matrinox/rails,sealocal/rails,jeremy/rails,amoody2108/TechForJustice,Spin42/rails,gcourtemanche/rails,esparta/rails,odedniv/rails,mechanicles/rails,iainbeeston/rails,eileencodes/rails,arjes/rails,vipulnsward/rails,sergey-alekseev/rails,baerjam/rails,sealocal/rails,baerjam/rails,kmcphillips/rails,flanger001/rails,iainbeeston/rails,Erol/rails,riseshia/railsguides.kr,felipecvo/rails,lcreid/rails,amoody2108/TechForJustice,lcreid/rails,MSP-Greg/rails,untidy-hair/rails,repinel/rails,assain/rails,Envek/rails,hanystudy/rails,assain/rails,vipulnsward/rails,gcourtemanche/rails,Envek/rails,printercu/rails,gavingmiller/rails,palkan/rails,BlakeWilliams/rails,rossta/rails,elfassy/rails,Spin42/rails,rafaelfranca/omg-rails,kddeisz/rails,printercu/rails,esparta/rails,baerjam/rails,felipecvo/rails,notapatch/rails,kachick/rails,hanystudy/rails,tijwelch/rails,illacceptanything/illacceptanything,joonyou/rails,eileencodes/rails,deraru/rails,alecspopa/rails,mathieujobin/reduced-rails-for-travis,koic/rails,prathamesh-sonpatki/rails,Stellenticket/rails,travisofthenorth/rails,Edouard-chin/rails,tgxworld/rails,yhirano55/rails,rbhitchcock/rails,rails/rails,pvalena/rails,yawboakye/rails,matrinox/rails,lucasmazza/rails,illacceptanything/illacceptanything,kmayer/rails,riseshia/railsguides.kr,flanger001/rails,Sen-Zhang/rails,rushingfitness/actioncable,vassilevsky/rails,arjes/rails,vipulnsward/rails,hanystudy/rails,gfvcastro/rails,schuetzm/rails,illacceptanything/illacceptanything,georgeclaghorn/rails,amoody2108/TechForJustice,richseviora/rails,untidy-hair/rails,yahonda/rails,printercu/rails,shioyama/rails,mohitnatoo/rails,Envek/rails,gauravtiwari/rails,sergey-alekseev/rails,ttanimichi/rails,fabianoleittes/rails,mohitnatoo/rails,Ed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