Add example of maintaining context with `route_for`
Add example of maintaining context with `route_for`

[ci skip]

Erol/rails,rails/rails,Envek/rails,tjschuck/rails,tjschuck/rails,illacceptanything/illacceptanything,mohitnatoo/rails,yawboakye/rails,assain/rails,notapatch/rails,prathamesh-sonpatki/rails,jeremy/rails,georgeclaghorn/rails,Envek/rails,prathamesh-sonpatki/rails,betesh/rails,joonyou/rails,deraru/rails,untidy-hair/rails,travisofthenorth/rails,pvalena/rails,pvalena/rails,BlakeWilliams/rails,fabianoleittes/rails,travisofthenorth/rails,deraru/rails,yawboakye/rails,tgxworld/rails,Edouard-chin/rails,mohitnatoo/rails,eileencodes/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,iainbeeston/rails,vipulnsward/rails,arunagw/rails,Vasfed/rails,mechanicles/rails,joonyou/rails,arunagw/rails,repinel/rails,flanger001/rails,starknx/rails,aditya-kapoor/rails,aditya-kapoor/rails,pvalena/rails,palkan/rails,MSP-Greg/rails,yhirano55/rails,tgxworld/rails,rails/rails,Envek/rails,illacceptanything/illacceptanything,repinel/rails,esparta/rails,jeremy/rails,BlakeWilliams/rails,MSP-Greg/rails,yawboakye/rails,iainbeeston/rails,georgeclaghorn/rails,vipulnsward/rails,EmmaB/rails-1,illacceptanything/illacceptanything,fabianoleittes/rails,vipulnsward/rails,esparta/rails,EmmaB/rails-1,illacceptanything/illacceptanything,kddeisz/rails,arunagw/rails,yalab/rails,BlakeWilliams/rails,shioyama/rails,kddeisz/rails,yalab/rails,notapatch/rails,vipulnsward/rails,yahonda/rails,gauravtiwari/rails,illacceptanything/illacceptanything,Vasfed/rails,betesh/rails,starknx/rails,schuetzm/rails,esparta/rails,rafaelfranca/omg-rails,utilum/rails,schuetzm/rails,flanger001/rails,bogdanvlviv/rails,illacceptanything/illacceptanything,tjschuck/rails,Erol/rails,untidy-hair/rails,EmmaB/rails-1,assain/rails,yahonda/rails,lcreid/rails,Edouard-chin/rails,BlakeWilliams/rails,joonyou/rails,yawboakye/rails,mechanicles/rails,mohitnatoo/rails,illacceptanything/illacceptanything,eileencodes/rails,shioyama/rails,Envek/rails,eileencodes/rails,rails/rails,illacceptanything/illacceptanything,untidy-hair/rails,notapatch/rails,mohitnatoo/rails,prathamesh-sonpatki/rails,deraru/rails,iainbeeston/rails,yhirano55/rails,illacceptanything/illacceptanything,Vasfed/rails,mechanicles/rails,pvalena/rails,illacceptanything/illacceptanything,schuetzm/rails,yahonda/rails,gauravtiwari/rails,travisofthenorth/rails,yhirano55/rails,iainbeeston/rails,Edouard-chin/rails,rafaelfranca/omg-rails,tgxworld/rails,baerjam/rails,printercu/rails,printercu/rails,repinel/rails,georgeclaghorn/rails,gauravtiwari/rails,betesh/rails,palkan/rails,Stellenticket/rails,shioyama/rails,baerjam/rails,lcreid/rails,yhirano55/rails,kmcphillips/rails,travisofthenorth/rails,MSP-Greg/rails,assain/rails,palkan/rails,rails/rails,eileencodes/rails,MSP-Greg/rails,tjschuck/rails,jeremy/rails,flanger001/rails,yalab/rails,Vasfed/rails,utilum/rails,baerjam/rails,kmcphillips/rails,arunagw/rails,Erol/rails,notapatch/rails,illacceptanything/illacceptanything,schuetzm/rails,kmcphillips/rails,illacceptanything/illacceptanything,Stellenticket/rails,aditya-kapoor/rails,lcreid/rails,utilum/rails,flanger001/rails,kddeisz/rails,fabianoleittes/rails,untidy-hair/rails,illacceptanything/illacceptanything,jeremy/rails,Edouard-chin/rails,yahonda/rails,kddeisz/rails,deraru/rails,utilum/rails,rafaelfranca/omg-rails,yalab/rails,illacceptanything/illacceptanything,prathamesh-sonpatki/rails,kmcphillips/rails,palkan/rails,Stellenticket/rails,lcreid/rails,shioyama/rails,mechanicles/rails,Erol/rails,esparta/rails,tgxworld/rails,starknx/rails,Stellenticket/rails,printercu/rails,assain/rails,aditya-kapoor/rails,bogdanvlviv/rails,bogdanvlviv/rails,georgeclaghorn/rails,fabianoleittes/rails,joonyou/rails,betesh/rails,printercu/rails,repinel/rails,baerjam/rails