Re-added pebble-js-app.js file

Author: steka

src/pkjs/index.js

@@ -0,0 +1,18 @@
+Pebble.addEventListener('ready', function(e) {
+//  console.log('JavaScript app ready and running!');
+});
+
+Pebble.addEventListener('showConfiguration', function(e) {
+  Pebble.openURL('https://steka.github.io/fibonacci_clock/config.htm');
+});
+
+Pebble.addEventListener('webviewclosed', function(e) {
+  var config_data = JSON.parse(decodeURIComponent(e.response));
+//  console.log('Config window returned: ', JSON.stringify(config_data));
+
+  Pebble.sendAppMessage(config_data, function() {
+//    console.log('Sent config data to Pebble');
+  }, function() {
+//    console.log('Failed to send config data!');
+  });
+});