Add contest organizer form param

config/locales/en.yml

@@ -63,6 +63,8 @@ en:
         offline_form: Enable the offline participation form
         offline_form_description: Offline participants will have to fill the form by providing an image taken of the puzzle before starting solving it, and validate their finish time with an upload of an image of the completed puzzle
         offline_form_warning: Only for single-puzzle contests
+        organizer_form: Enable the public organizer forms
+        organizer_form_description: Required for QR codes to work.
         public: Enable the public scoreboard
         ranking_mode: Ranking mode (public scoreboard & CSV exports)
         show_stopwatch: Display the stopwatch
@@ -213,6 +215,7 @@ en:
       general: General
       online: Online contests
       onsite: Onsite contests
+      onsite_description: Beware once those forms are activated, the puzzle names become findable through guessing the form URL. Later I'll work on better securing them so this setting won't be necessary anymore.
       public: Public scoreboard
       settings: Settings
       stopwatch: Stopwatch