Add compliance_engine::enforcement lookup_key function

Fixes simp#33

lib/puppet/functions/compliance_engine/enforcement.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# @summary Hiera entry point for Compliance Engine
+Puppet::Functions.create_function(:'compliance_engine::enforcement') do
+  # @param key String The key to lookup in the Hiera data
+  # @return [String] The value of the key in the Hiera data
+  dispatch :enforcement do
+    param 'String[1]', :key
+    param 'Hash[String[1], Any]', :options
+    param 'Puppet::LookupContext', :context
+  end
+
+  require 'compliance_engine/data'
+
+  def enforcement(key, options, context)
+    require 'pry-byebug'; binding.pry
+    # hiera(key)
+  end
+end