add lb option

config/routes.rb

@@ -1,5 +1,6 @@
 Rails.application.routes.draw do
 
+  # Room and Meeting routes.
   scope '/rooms' do
     scope '/:room_uid' do
       get '/', to: 'rooms#index', as: :room
@@ -9,18 +10,22 @@ Rails.application.routes.draw do
     end
   end
 
+  # Signup routes.
   get '/signup', to: 'users#new'
   post '/signup', to: 'users#create'
 
-  # Login to Greenlight.
-  get '/login', to: 'sessions#new'
-
   # Handles login of :greenlight provider account.
   post '/login',  to: 'sessions#create', as: :create_session
 
+  # Login to Greenlight.
+  get '/login', to: 'sessions#new'
+
   # Log the user out of the session.
   get '/logout', to: 'sessions#destroy'
 
+  # Handles launches from a trusted launcher.
+  post '/launch', to: 'sessions#launch'
+
   # Handles Omniauth authentication.
   match '/auth/:provider/callback', to: 'sessions#omniauth', via: [:get, :post], as: :omniauth_session
   get '/auth/failure', to: 'sessions#fail'