Enable auto update of Arvis app

[cheuk-cheng]

Have an option to allow user to update Arvis app automatically. Also, optionally display release notes/changes after update has finished.

[jopemachine]

Thanks for your suggestion :)
This suggestion will be reflected from the next version.

[cheuk-cheng]

Thanks a lot Gyubong.

[jopemachine]

It is been reflected in 0.12.0