chore: testing a simple data_hash hiera plugin

testing testing ....

modules/custom_hiera_plugin/lib/puppet/functions/custom_hiera_plugin/data_hash.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# Custom Hiera Plugin
+# This plugin returns static data for testing purposes
+Puppet::Functions.create_function(:'custom_hiera_plugin::data_hash') do
+  def data_hash(_options, _context)
+    # Return a simple hash with the required key-value pair
+    {
+      'custom_hiera_plugin::var1' => 'foo'
+    }
+  end
+end