Added Rubocop harness to enforce Ruby code style
diff --git a/lib/rb/Gemfile.lock b/lib/rb/Gemfile.lock
index ea47938..5030d2d 100644
--- a/lib/rb/Gemfile.lock
+++ b/lib/rb/Gemfile.lock
@@ -7,6 +7,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    ast (2.4.3)
     binding_of_caller (1.0.1)
       debug_inspector (>= 1.2.0)
     byebug (11.1.3)
@@ -16,9 +17,17 @@
     debug_inspector (1.2.0)
     diff-lcs (1.6.2)
     eventmachine (1.2.7)
+    json (2.18.1)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     method_source (0.9.2)
     ostruct (0.6.3)
+    parallel (1.27.0)
+    parser (3.3.10.1)
+      ast (~> 2.4.1)
+      racc
+    prism (1.9.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
@@ -28,10 +37,13 @@
     pry-stack_explorer (0.4.9.3)
       binding_of_caller (>= 0.7)
       pry (>= 0.9.11)
+    racc (1.8.1)
     rack (2.2.22)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)
+    rainbow (3.1.1)
     rake (13.3.1)
+    regexp_parser (2.11.3)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -45,12 +57,37 @@
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.6)
+    rubocop (1.82.1)
+      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 (>= 1.48.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.49.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    rubocop-performance (1.26.1)
+      lint_roller (~> 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
+    rubocop-rspec (3.8.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.81)
+    ruby-progressbar (1.13.0)
     srv (1.0.0)
       rack (>= 1.3.0)
     thin (1.8.2)
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
 
 PLATFORMS
   arm64-darwin
@@ -70,6 +107,9 @@
   rack-test (~> 0.8.3)
   rake (~> 13.3)
   rspec (~> 3.7)
+  rubocop (~> 1.82.0)
+  rubocop-performance (~> 1.26.1)
+  rubocop-rspec (~> 3.8.0)
   srv (~> 1.0)
   thin (~> 1.7)
   thrift!