Add node modules and compiled JavaScript from main (#54)

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

node_modules/underscore/modules/isFinite.js

@@ -0,0 +1,7 @@
+import { _isFinite } from './_setup.js';
+import isSymbol from './isSymbol.js';
+
+// Is a given object a finite number?
+export default function isFinite(obj) {
+  return !isSymbol(obj) && _isFinite(obj) && !isNaN(parseFloat(obj));
+}