Installation
IMPORTANT: if downloading from modrinth, DO NOT EXTRACT THE ZIP. The files on modrinth are setup to be drop in, no extracting required, this page is mostly related to the way github does releases.
First, download the pack from the "releases" tab or from modrinth: https://modrinth.com/datapack/unpackableminecarts
Once, you have the pack, extract it out of the zip.
If you are doing this on a singleplayer world, follow these steps here: Create your world. Click on the button that says "Datapacks" Open the folder for it. Drag the extracted folder into that temp folder, and head back to your Minecraft.
Then hover over the pack and click the arrow that puts it into the right (image below)
Navigate to your world's folder (if it is a server, go to the "world" folder. If it is your computer, go to the singleplayer section, click on the world you want to put the pack in, and edit, and open world folder.
Navigate to the datapacks folder Drag the extracted folder from the zip into that folder.
You are all done, restart your server / reload your world and it is setup!