Add Davon Supply Mod from Kerbal Stuff

This pull request was automatically generated by Kerbal Stuff on behalf of PrivateFlip, to add [Davon Supply Mod](https://kerbalstuff.com/mod/430/Davon%20Supply%20Mod) to CKAN.

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