Just a minor thing, but on the itch.io client it tries to launch this as a game. (Downloaded it using that so it's easier to update it.) It looks like it's possible to have it open the file location instead.
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Thanks for the suggestion! Looks like it can be done with manifests, so I'll be sure to look into that further.
Edit: Currently you can't create a manifest that opens the folder directly from the itch desktop client (see: #1149). However, I changed the project type to "Game asset" instead of "Tool," which opens the asset folder by default in the itch client.