update .gitignore

node_modules/culvert/consume.js

@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports = consume;
+
+function consume(channel, emit) {
+  return function (callback) {
+    channel.take(onItem);
+    function onItem(err, item) {
+      if (item === undefined) return callback(err);
+      try { emit(item); }
+      catch (err) { return callback(err); }
+      channel.take(onItem);
+    }
+  };
+}