Add extension id to chrome manifest.json

Author: chadian

config/deploy.js

@@ -3,7 +3,9 @@
 
 module.exports = function(deployTarget) {
   let ENV = {
-    'chrome-app': {},
+    'chrome-app': {
+      extensionId: 'hllelhahjaghbadpkfbnadckchakmlfh'
+    },
     'build': {}
   };