Merge pull request #1968 from syeopite/iss677

Add ability to expand/collapse description.

src/invidious/helpers/helpers.cr

@@ -50,6 +50,7 @@ struct ConfigPreferences
   property thin_mode : Bool = false
   property unseen_only : Bool = false
   property video_loop : Bool = false
+  property extend_desc : Bool = false
   property volume : Int32 = 100
 
   def to_tuple