Add sample scraping/automation example via Phantomjs

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

sample-functions/Phantomjs/cnn.js

@@ -0,0 +1,10 @@
+var webPage = require('webpage');
+var page = webPage.create();
+
+page.open('https://www.cnn.com/', function(status) {
+  console.log('Status: ' + status);
+  console.log(page.title);
+  // Do other things here...
+  phantom.exit();
+
+});