Added Lambda Node support as part of the regular functions workflow. (#601)

* Added Lambda Node support as part of the regular functions workflow.

* Fixes for PR comments.

examples/lambda/node/func.js

@@ -0,0 +1,12 @@
+'use strict';
+
+console.log('Loading function');
+
+exports.handler = (event, context, callback) => {
+    //console.log('Received event:', JSON.stringify(event, null, 2));
+    console.log('value1 =', event.key1);
+    console.log('value2 =', event.key2);
+    console.log('value3 =', event.key3);
+    callback(null, event.key1);  // Echo back the first key value
+    //callback('Something went wrong');
+};