Update readme, add standard rake, fix linter err

Author: danielfriis

README.md

@@ -5,8 +5,9 @@ A flexible template management system for [RubyLLM](https://github.com/crmne/rub
 ```ruby
 RubyLLM.chat.with_template(:extract_metadata, document: @document).complete
 
-# Searches for the following files:
-# 
+# ----------------------------------
+# Retrieves the following files:
+# ----------------------------------
 # prompts/
 #   extract_metadata/
 #     ├── system.txt.erb    # System message

Rakefile

@@ -2,6 +2,7 @@
 
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+require "standard/rake"
 
 RSpec::Core::RakeTask.new(:spec)
 

lib/ruby_llm/template/chat_extension.rb

@@ -25,7 +25,7 @@ def with_template(template_name, context = {})
         # Handle schema separately if it exists
         if loader.available_roles.include?("schema")
           schema_result = loader.render_template("schema", context)
-          
+
           if schema_result
             if schema_result.respond_to?(:to_json_schema)
               # It's a RubyLLM::Schema instance

lib/ruby_llm/template/loader.rb

@@ -86,9 +86,9 @@ def load_schema_class(context = {})
         end
 
         # 2. Class definition pattern - look for TemplateClass::Schema
-        template_class_name = @template_name.to_s.split('_').map(&:capitalize).join
+        template_class_name = @template_name.to_s.split("_").map(&:capitalize).join
         schema_class_name = "#{template_class_name}::Schema"
-        
+
         schema_class = constantize_safe(schema_class_name)
         return schema_class if schema_class