Adds KerbalKonstructs

**Blocked on KSP-CKAN/CKAN#315**
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If @medsouz is okay with it, I'd like to add KerbalKonstructs to the CKAN.
This file installs the mod into GameData/KerbalKonstructs: @medsouz, is it ok?

File validated and tested (aside from the issue about whether the path is correct).