configure rubocop

add rubocop-rails

don't require rubocop or brakeman

Author: romkey

.rubocop.yml

@@ -0,0 +1,4 @@
+require: rubocop-rails
+
+AllCops:
+  NewCops: enable

Gemfile

@@ -65,5 +65,6 @@ gem 'net-ssh'
 gem 'ed25519'
 gem 'bcrypt_pbkdf'
 
-gem 'rubocop'
-gem 'brakeman'
+gem 'rubocop', require: false
+gem 'rubocop-rails', require: false
+gem 'brakeman', require: false

Gemfile.lock

@@ -239,6 +239,10 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.4.1)
       parser (>= 2.7.1.5)
+    rubocop-rails (2.9.1)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 0.90.0, < 2.0)
     ruby-progressbar (1.11.0)
     ruby_dep (1.5.0)
     rubyzip (2.3.0)
@@ -341,6 +345,7 @@ DEPENDENCIES
   rails (~> 6.1.1)
   railties (>= 6.0.0)
   rubocop
+  rubocop-rails
   sass-rails (~> 5.0)
   selenium-webdriver
   sidekiq