Add execution-order required/optional dependencies for data types about husksync HOT 2 CLOSED

I see, yeah - in essence this is down to the fact that sync data types can't currently depend on others.
Not a major issue as in practice max health is usually kept relatively consistent between servers, but can become an issue.

Basically what needs to happen is that sync data types need a way of defining optional/required "dependencies" on other sync data types (by ID), and then for the plugin to correctly go through them in a suitable order. in this case we'd want to make attribute syncing depend on Health/Hunger & Potion Effect syncing first to prevent this sort of issue.

from husksync.

@ch4ika If you're able to compile the PR branch #309 and give it ago (in a test environment!), that'd be great. Otherwise, open a ticket on Discord / verify purchase, and I'll send you a build to try.

from husksync.