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

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

node_modules/lodash/_metaMap.js

@@ -0,0 +1,6 @@
+var WeakMap = require('./_WeakMap');
+
+/** Used to store function metadata. */
+var metaMap = WeakMap && new WeakMap;
+
+module.exports = metaMap;