DEV: Apply syntax_tree formatting to lib/*

lib/discourse_dev/category.rb

@@ -1,12 +1,11 @@
 # frozen_string_literal: true
 
-require 'discourse_dev/record'
-require 'rails'
-require 'faker'
+require "discourse_dev/record"
+require "rails"
+require "faker"
 
 module DiscourseDev
   class Category < Record
-
     def initialize
       super(::Category, DiscourseDev.config.category[:count])
       @parent_category_ids = ::Category.where(parent_category_id: nil).pluck(:id)
@@ -29,7 +28,7 @@ module DiscourseDev
         description: Faker::Lorem.paragraph,
         user_id: ::Discourse::SYSTEM_USER_ID,
         color: Faker::Color.hex_color.last(6),
-        parent_category_id: parent_category_id
+        parent_category_id: parent_category_id,
       }
     end