Add node modules and compiled JavaScript from main (#172)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/underscore/amd/isBoolean.js

@@ -0,0 +1,10 @@
+define(['./_setup'], function (_setup) {
+
+  // Is a given value a boolean?
+  function isBoolean(obj) {
+    return obj === true || obj === false || _setup.toString.call(obj) === '[object Boolean]';
+  }
+
+  return isBoolean;
+
+});