Add Shadelz Planetary Mod from Kerbal Stuff

This pull request was automatically generated by Kerbal Stuff on behalf of Shadelz, to add [Shadelz Planetary Mod](https://kerbalstuff.com/mod/439/Shadelz%20Planetary%20Mod) to CKAN.

Please direct questions about this pull request to [Shadelz](https://kerbalstuff.com/profile/Shadelz).