added rubocop

Gemfile

@@ -1,32 +1,31 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
+gem 'roda', '~> 3.72'
 
-gem "roda", "~> 3.72"
+gem 'sequel', '~> 5.72'
 
-gem "sequel", "~> 5.72"
+gem 'tilt', '~> 2.2'
 
-gem "tilt", "~> 2.2"
+gem 'sqlite3', '~> 1.6'
 
-gem "sqlite3", "~> 1.6"
+gem 'erubi', '~> 1.12'
-
-gem "erubi", "~> 1.12"
 
 group :test do
+  gem 'cucumber', '~> 9.0'
 
-  gem "cucumber", "~> 9.0"
+  gem 'capybara', '~> 3.39'
 
-  gem "capybara", "~> 3.39"
+  gem 'rspec', '~> 3.12'
 
-  gem "rspec", "~> 3.12"
+  gem 'selenium-webdriver', '~> 4.13'
 
-  gem "selenium-webdriver", "~> 4.13"
+  gem 'simplecov'
-
-  gem "simplecov"
 
+  gem 'rubocop', require: false
 end
 
-gem "puma", "~> 6.4"
+gem 'puma', '~> 6.4'
 
-gem "rackup", "~> 2.1"
+gem 'rackup', '~> 2.1'

Gemfile.lock

@@ -3,6 +3,8 @@ GEM
   specs:
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
+    ast (2.4.2)
+    base64 (0.1.1)
     bigdecimal (3.1.4)
     builder (3.2.4)
     capybara (3.39.2)
@@ -42,6 +44,8 @@ GEM
     docile (1.4.0)
     erubi (1.12.0)
     ffi (1.16.2)
+    json (2.6.3)
+    language_server-protocol (3.17.0.3)
     matrix (0.4.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.4)
@@ -50,6 +54,10 @@ GEM
     nokogiri (1.15.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    parallel (1.23.0)
+    parser (3.2.2.4)
+      ast (~> 2.4.1)
+      racc
     public_suffix (5.0.3)
     puma (6.4.0)
       nio4r (~> 2.0)
@@ -60,6 +68,7 @@ GEM
     rackup (2.1.0)
       rack (>= 3)
       webrick (~> 1.8)
+    rainbow (3.1.1)
     regexp_parser (2.8.1)
     rexml (3.2.6)
     roda (3.72.0)
@@ -77,6 +86,21 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
+    rubocop (1.57.1)
+      base64 (~> 0.1.1)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.2.2.4)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.28.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.29.0)
+      parser (>= 3.2.1.0)
+    ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     selenium-webdriver (4.13.1)
       rexml (~> 3.2, >= 3.2.5)
@@ -95,6 +119,7 @@ GEM
     sys-uname (1.2.3)
       ffi (~> 1.1)
     tilt (2.3.0)
+    unicode-display_width (2.5.0)
     webrick (1.8.1)
     websocket (1.2.10)
     xpath (3.2.0)
@@ -111,6 +136,7 @@ DEPENDENCIES
   rackup (~> 2.1)
   roda (~> 3.72)
   rspec (~> 3.12)
+  rubocop
   selenium-webdriver (~> 4.13)
   sequel (~> 5.72)
   simplecov