Added cmd option

Commands can be run after module install now.

Update default config

Now has corrected ip and host name along with the hass modules that already exists for Magic Mirror

Additional logging for addon

v0.21.5

Update CHANGELOG.md

Update MagicMirror addon to handle module install.

You can now configure the module in HASS.IO to install modules for you.

Initial release of MagicMirror addon

• Initial release of MagicMirror addon