add an Async way to run stuff

imma prob make this better

Author: hcortezr

src/pocketnode/utils/Async.js

@@ -0,0 +1,22 @@
+/**
+ * Async
+ * run stuff in async via setImmediate
+ * @param cb {Function} run this in async
+ * @return {Promise<any>}
+ */
+function Async(cb){
+    return new Promise((resolve, reject) => {
+        new Promise((done, fail) => {
+            setImmediate(() => {
+                try {
+                    cb();
+                    done();
+                } catch(e) {
+                    fail(e);
+                }
+            });
+        }).then(() => resolve()).catch(e => reject(e));
+    });
+}
+
+module.exports = Async;