Mine is currently built on top of another's mod so I won't be making it public without permission in the current iteration.
What you can do is release the mod without any 3rd party assets (like graphics and sounds). Therefore, you just include your hull mods and your csv files and then point out to the player which assets and from which mod they need to get (or provide a bat / sh file that will download whatever is needed). If those mods are updated to 0.95a then you can just add them as your mod's dependencies in mod_info.json.
Edit: If you do not want to go that route, could you please PM it? I was looking forward to porting those skins to my vanilla-ish setup but there always is a mod/change I want to write and thus can't find spare time to do it myself. Thanks