Fix typos and consistency in routing.md
Fix typos and consistency in routing.md

Hansoft/meteor,RocketChat/Rocket.Chat.Docs,kvetoslavnovak/GitBook-Meteor-Guide,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,RocketChat/Rocket.Chat.Docs,Hansoft/meteor,RocketChat/Rocket.Chat.Docs,Hansoft/meteor,RocketChat/Rocket.Chat.Docs,robfallows/guide,heytz/guide,Hansoft/meteor