Added the underscore node_module.

node_modules/underscore/modules/compose.js

@@ -0,0 +1,12 @@
+// Returns a function that is the composition of a list of functions, each
+// consuming the return value of the function that follows.
+export default function compose() {
+  var args = arguments;
+  var start = args.length - 1;
+  return function() {
+    var i = start;
+    var result = args[start].apply(this, arguments);
+    while (i--) result = args[i].call(this, result);
+    return result;
+  };
+}