Add node modules and new code for release (#57)

Co-authored-by: taakleton <taakleton@users.noreply.github.com>

node_modules/underscore/amd/findIndex.js

@@ -0,0 +1,8 @@
+define(['./_createPredicateIndexFinder'], function (_createPredicateIndexFinder) {
+
+	// Returns the first index on an array-like that passes a truth test.
+	var findIndex = _createPredicateIndexFinder(1);
+
+	return findIndex;
+
+});