feat(event available/sold out): Promoter can mark event as sold out or available

On the event page, promoter can choose to mark the event as "sold out" using the status field or as "published". Only published event can be marked as sold out if promoter thinks he cannot handle all the people available.

app/models/event.rb

@@ -55,7 +55,6 @@ class Event < ApplicationRecord
   # Scope for published events ordered by start time
   scope :upcoming, -> { published.where("start_time >= ?", Time.current).order(start_time: :asc) }
 
-
   # === Instance Methods ===
 
   # Check if coordinates were successfully geocoded or are fallback coordinates