add rupocop-rails and rubocop-rspec (#8998)

.rubocop.yml

@@ -1,9 +1,12 @@
+require:
+  - rubocop-rails
+  - rubocop-rspec
+
 AllCops:
   TargetRubyVersion: 2.7
   Exclude:
     - db/schema.rb
 
-
 Layout/ConditionPosition:
   Enabled: false
 

Gemfile

@@ -250,6 +250,8 @@ group :development do
   gem 'spring-commands-rspec'
 
   gem 'rubocop'
+  gem 'rubocop-rails'
+  gem 'rubocop-rspec'
 
   # Gems for living styleguide
   gem 'livingstyleguide', '~> 2.1.0'

Gemfile.lock

@@ -799,6 +799,13 @@ 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)
+    rubocop-rspec (2.2.0)
+      rubocop (~> 1.0)
+      rubocop-ast (>= 1.1.0)
     ruby-duration (3.2.3)
       activesupport (>= 3.0.0)
       i18n
@@ -1050,6 +1057,8 @@ DEPENDENCIES
   rspec-rails (~> 4.0.0)
   rspec-retry (~> 0.6.1)
   rubocop
+  rubocop-rails
+  rubocop-rspec
   ruby-duration (~> 3.2.0)
   ruby-prof
   ruby-progressbar (~> 1.11.0)