Add linked packages

Is your feature request related to a problem?

You have to manually reinsert Satchel or resync it to update Satchel. This removes all instance attributes forcing you to manually copy them over.

Describe the solution you'd like

To use Roblox Packages to be able to update Satchel easily.

Describe alternatives you've considered

Manually updating Satchel

Additional context

https://create.roblox.com/docs/projects/assets/packages

Code of Conduct

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