Add bin and edit workflow

bin/gems/ethon-0.16.0/lib/ethon/errors/multi_add.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+module Ethon
+  module Errors
+
+    # Raises when multi_add_handle failed.
+    class MultiAdd < EthonError
+      def initialize(code, easy)
+        super("An error occured adding the easy handle: #{easy} to the multi: #{code}")
+      end
+    end
+  end
+end