refactor: unify helper attribute naming across client and test files

Author: manu4543

examples/test_helper.rb

@@ -1,6 +1,6 @@
 #!/usr/bin/env ruby
 # frozen_string_literal: true
-
+# typed: true
 
 require_relative "../lib/imagekit"
 
@@ -21,7 +21,7 @@
 
 # Test all helper functions
 puts "Testing helper functions:"
-puts "1. buildURL: #{image_kit.helpers.buildURL(transformations)}"
-puts "2. generateTransformationString: #{image_kit.helpers.generateTransformationString(transformations)}"
-puts "3. GetAuthenticationParameters: #{image_kit.helpers.GetAuthenticationParameters}"
+puts "1. buildURL: #{image_kit.helper.buildURL(transformations)}"
+puts "2. generateTransformationString: #{image_kit.helper.generateTransformationString(transformations)}"
+puts "3. GetAuthenticationParameters: #{image_kit.helper.GetAuthenticationParameters}"
 puts "All helper functions are working!"

lib/imagekit/client.rb

@@ -50,7 +50,7 @@ class Client < Imagekit::Internal::Transport::BaseClient
     attr_reader :webhooks
 
     # @return [Imagekit::Helpers::Helper]
-    attr_reader :helpers
+    attr_reader :helper
 
     # @api private
     #
@@ -123,7 +123,7 @@ def initialize(
       @accounts = Imagekit::Resources::Accounts.new(client: self)
       @beta = Imagekit::Resources::Beta.new(client: self)
       @webhooks = Imagekit::Resources::Webhooks.new(client: self)
-      @helpers = Imagekit::Helpers::Helper.new(client: self)
+      @helper = Imagekit::Helpers::Helper.new(client: self)
     end
   end
 end

rbi/imagekit/client.rbi

@@ -45,7 +45,7 @@ module Imagekit
     attr_reader :webhooks
 
     sig { returns(Imagekit::Helpers::Helper) }
-    attr_reader :helpers
+    attr_reader :helper
 
     # @api private
     sig { override.returns(T::Hash[String, String]) }

sig/imagekit/client.rbs

@@ -28,7 +28,7 @@ module Imagekit
 
     attr_reader webhooks: Imagekit::Resources::Webhooks
 
-    attr_reader helpers: Imagekit::Helpers::Helper
+    attr_reader helper: Imagekit::Helpers::Helper
 
     private def auth_headers: -> ::Hash[String, String]