.rubocop.yml in legion-json-0.1.1 vs .rubocop.yml in legion-json-0.1.2

- old
+ new

@@ -1,4 +1,5 @@
+require: rubocop-performance
 Metrics/LineLength:
   Max: 120
 Metrics/MethodLength:
   Max: 30
 Metrics/ClassLength: