add rubocop

Author: grodowski

.overcommit.yml

@@ -15,6 +15,9 @@
 #
 # Uncomment the following lines to make the configuration take effect.
 
+CommitMsg:
+  CapitalizedSubject:
+    enabled: false
 PrePush:
   Undercover:
     enabled: true

spec/cli_spec.rb

@@ -114,13 +114,11 @@
     Imagen.parser_version = v_default
   end
 
-  # rubocop:disable Metrics/AbcSize
   def stub_build
     lcov = double
     allow(File).to receive(:open) { lcov }
     allow(Undercover::LcovParser).to receive(:parse).with(lcov)
     allow_any_instance_of(Undercover::Report).to receive(:validate) { nil }
     allow_any_instance_of(Undercover::Report).to receive(:build) { |rep| rep }
   end
-  # rubocop:enable Metrics/AbcSize
 end