chore(rubocop): giganto rubocop commit.

muahahahah

app/models/performance.rb

@@ -1,8 +1,9 @@
+# frozen_string_literal: true
 class Performance < ApplicationRecord
   belongs_to :user
 
   def reviewer_name
    u = User.find_by_id(self.reviewer)
-   u.full_name if u.respond_to?('fullname')
+   u.full_name if u.respond_to?("fullname")
   end
 end