add repo and issue xml nodes

Author: adamdbradley

plugin.xml

@@ -7,6 +7,8 @@
     <description>Ionic Keyboard Plugin</description>
     <license>Apache 2.0</license>
     <keywords>Ionic,keyboard</keywords>
+    <repo>https://github.com/driftyco/ionic-plugins-keyboard.git</repo>
+    <issue>https://github.com/driftyco/ionic-plugins-keyboard/issues</issue>
 
   <js-module src="www/keyboard.js" name="keyboard">
     <clobbers target="cordova.plugins.Keyboard" />