Added Rubocop and initial config

Gemfile.lock

@@ -72,6 +72,7 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
+    ast (2.4.3)
     base64 (0.3.0)
     bcrypt (3.1.20)
     benchmark (0.4.1)
@@ -124,6 +125,9 @@ GEM
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
+    json (2.12.2)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     loofah (2.24.1)
       crass (~> 1.0.2)
@@ -166,9 +170,14 @@ GEM
       racc (~> 1.4)
     nokogiri (1.18.8-x86_64-linux-musl)
       racc (~> 1.4)
+    parallel (1.27.0)
+    parser (3.3.8.0)
+      ast (~> 2.4.1)
+      racc
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)
+    prism (1.4.0)
     propshaft (1.1.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -218,12 +227,35 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
+    rainbow (3.1.1)
     rake (13.3.0)
     rdoc (6.14.1)
       erb
       psych (>= 4.0.0)
+    regexp_parser (2.10.0)
     reline (0.6.1)
       io-console (~> 0.5)
+    rubocop (1.78.0)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.45.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.45.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-rails (2.32.0)
+      activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
+      rack (>= 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    ruby-progressbar (1.13.0)
     ruby-vips (2.2.4)
       ffi (~> 1.12)
       logger
@@ -265,6 +297,9 @@ GEM
       railties (>= 7.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
     uri (1.0.3)
     useragent (0.16.11)
     web-console (4.2.1)
@@ -300,6 +335,8 @@ DEPENDENCIES
   propshaft
   puma (>= 5.0)
   rails (~> 8.0.2)
+  rubocop
+  rubocop-rails
   slim
   solid_cable
   solid_cache