Add rubocop to development dependencies

Gemfile

@@ -21,6 +21,9 @@ group :development do
   gem 'listen', '~> 3.9'
   gem 'spring'
   gem 'sqlite3', '~> 1.7'
+  gem 'rubocop', require: false
+  gem 'rubocop-rails', require: false
+  gem 'rubocop-rspec', require: false
 end
 
 group :test do

Gemfile.lock

@@ -77,6 +77,7 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
+    ast (2.4.2)
     autoprefixer-rails (10.4.16.0)
       execjs (~> 2)
     base32 (0.3.4)
@@ -146,6 +147,8 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -182,6 +185,10 @@ GEM
     nokogiri (1.16.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    parallel (1.24.0)
+    parser (3.3.1.0)
+      ast (~> 2.4.1)
+      racc
     popper_js (2.11.8)
     psych (5.1.2)
       stringio
@@ -231,6 +238,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
+    rainbow (3.1.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -249,7 +257,37 @@ GEM
       nokogiri
       roo (>= 2.0.0, < 3)
       spreadsheet (> 0.9.0)
+    rubocop (1.63.5)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-capybara (2.20.0)
+      rubocop (~> 1.41)
+    rubocop-factory_bot (2.25.1)
+      rubocop (~> 1.41)
+    rubocop-rails (2.25.0)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-rspec (2.29.2)
+      rubocop (~> 1.40)
+      rubocop-capybara (~> 2.17)
+      rubocop-factory_bot (~> 2.22)
+      rubocop-rspec_rails (~> 2.28)
+    rubocop-rspec_rails (2.28.3)
+      rubocop (~> 1.40)
     ruby-ole (1.2.12.2)
+    ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -294,6 +332,7 @@ GEM
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
     web-console (4.2.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -344,6 +383,9 @@ DEPENDENCIES
   rails-i18n (~> 7.0)
   roo
   roo-xls
+  rubocop
+  rubocop-rails
+  rubocop-rspec
   sassc-rails
   selenium-webdriver
   simple_form