Add cordova-hot-code-push plugin

[Manduro]

An amazing plugin with similar functionality to Ionic Deploy, except it can be used on your own server.

https://github.com/nordnet/cordova-hot-code-push

[ihadeed]

We just merged cordova-code-push-plugin by Microsoft in this PR #420

We can add this too eventually.

[danielsogl]

@Manduro I will take a look into this!

[danielsogl]

@Manduro looks like this plugin is not maintained anymore. There are over 100 open issues.