Add bin and edit workflow

bin/gems/pry-0.15.2/lib/pry/config/attributable.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class Pry
+  class Config
+    # Attributable provides the ability to create "attribute"
+    # accessors. Attribute accessors create a standard "attr_writer" and a
+    # customised "attr_reader". This reader is Proc-aware (lazy).
+    #
+    # @since v0.13.0
+    # @api private
+    module Attributable
+      def attribute(attr_name)
+        define_method(attr_name) do
+          value = Config::Value.new(instance_variable_get("@#{attr_name}"))
+          value.call
+        end
+
+        attr_writer(attr_name)
+      end
+    end
+  end
+end