Add Zeitwerk (#4)

Author: santib

lib/mars.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
-require_relative "mars/version"
-require_relative "mars/runnable"
-require_relative "mars/workflows/sequential"
+require "zeitwerk"
+
+loader = Zeitwerk::Loader.for_gem
+loader.setup
 
 module Mars
   class Error < StandardError; end
-  # Your code goes here...
 end

lib/mars/workflows/sequential.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative "../runnable"
-
 module Mars
   module Workflows
     class Sequential < Runnable

mars.gemspec

@@ -36,6 +36,7 @@ Gem::Specification.new do |spec|
 
   # Uncomment to register a new dependency of your gem
   spec.add_dependency "ruby_llm", "~> 1.0"
+  spec.add_dependency "zeitwerk", "~> 2.7"
 
   # For more information and examples about making a new gem, check out our
   # guide at: https://bundler.io/guides/creating_gem.html