Add public scoreboard slug & URL

app/controllers/contests_controller.rb

@@ -69,6 +69,6 @@ class ContestsController < ApplicationController
   end
 
   def contest_params
-    params.expect(contest: [ :name, :team, :allow_registration ])
+    params.expect(contest: [ :name, :team, :allow_registration, :slug ])
   end
 end

app/controllers/sessions_controller.rb

@@ -1,13 +1,12 @@
 class SessionsController < ApplicationController
   allow_unauthenticated_access only: %i[ new create ]
   rate_limit to: 10, within: 3.minutes, only: :create, with: -> { redirect_to new_session_url, alert: "Try again later." }
+  before_action :skip_authorization
 
   def new
-    skip_authorization
   end
 
   def create
-    skip_authorization
     if user = User.authenticate_by(params.permit(:email_address, :password))
       start_new_session_for user
       redirect_to after_authentication_url