Clarify session management middleware sections
Clarify session management middleware sections

Addresses some comments in original PR for docs on using session management middleware in API apps
vipulnsward/rails,gauravtiwari/rails,georgeclaghorn/rails,gauravtiwari/rails,Envek/rails,MSP-Greg/rails,EmmaB/rails-1,Vasfed/rails,betesh/rails,rails/rails,jeremy/rails,georgeclaghorn/rails,Vasfed/rails,mechanicles/rails,starknx/rails,repinel/rails,yahonda/rails,repinel/rails,yawboakye/rails,georgeclaghorn/rails,Erol/rails,kmcphillips/rails,iainbeeston/rails,yahonda/rails,yalab/rails,yahonda/rails,eileencodes/rails,rails/rails,yhirano55/rails,mechanicles/rails,prathamesh-sonpatki/rails,rafaelfranca/omg-rails,Erol/rails,tjschuck/rails,joonyou/rails,lcreid/rails,prathamesh-sonpatki/rails,jeremy/rails,fabianoleittes/rails,esparta/rails,yhirano55/rails,iainbeeston/rails,eileencodes/rails,MSP-Greg/rails,Edouard-chin/rails,rafaelfranca/omg-rails,vipulnsward/rails,fabianoleittes/rails,tgxworld/rails,kddeisz/rails,jeremy/rails,rails/rails,iainbeeston/rails,MSP-Greg/rails,vipulnsward/rails,Edouard-chin/rails,yhirano55/rails,BlakeWilliams/rails,tgxworld/rails,joonyou/rails,Edouard-chin/rails,BlakeWilliams/rails,repinel/rails,starknx/rails,yawboakye/rails,fabianoleittes/rails,yalab/rails,Stellenticket/rails,kddeisz/rails,kmcphillips/rails,palkan/rails,Stellenticket/rails,BlakeWilliams/rails,tjschuck/rails,rails/rails,prathamesh-sonpatki/rails,eileencodes/rails,palkan/rails,kmcphillips/rails,palkan/rails,schuetzm/rails,betesh/rails,kddeisz/rails,repinel/rails,esparta/rails,bogdanvlviv/rails,bogdanvlviv/rails,Stellenticket/rails,georgeclaghorn/rails,lcreid/rails,vipulnsward/rails,joonyou/rails,fabianoleittes/rails,mechanicles/rails,lcreid/rails,tjschuck/rails,Envek/rails,Stellenticket/rails,jeremy/rails,lcreid/rails,Vasfed/rails,gauravtiwari/rails,bogdanvlviv/rails,betesh/rails,yalab/rails,Envek/rails,esparta/rails,iainbeeston/rails,yawboakye/rails,rafaelfranca/omg-rails,Edouard-chin/rails,tgxworld/rails,EmmaB/rails-1,bogdanvlviv/rails,kmcphillips/rails,tgxworld/rails,yahonda/rails,EmmaB/rails-1,Erol/rails,schuetzm/rails,schuetzm/rails,schuetzm/rails,yhirano55/rails,tjschuck/rails,Envek/rails,eileencodes/rails,BlakeWilliams/rails,Erol/rails,joonyou/rails,palkan/rails,starknx/rails,betesh/rails,mechanicles/rails,prathamesh-sonpatki/rails,yalab/rails,esparta/rails,kddeisz/rails,MSP-Greg/rails,yawboakye/rails,Vasfed/rails