Store collaborators in the liveblocks room storage

[gbalint]

Problem:
We need to know who are the users who collaborate on a project.
We don't have sharing permissions, so we don't really have data for that.

Fix:
Let's say collaborators are those users who opened the project at least once. We can store their ids in the liveblocks room storage for that project.

• Add collaborators to the Liveblocks Storage type.
• Create a hook to add yourself to the collaborators.
• Create a hook to get the list of collaborators.

[github-actions]

Try me

[relativeci]

Job #9202: Bundle Size — 65.15MiB (~+0.01%).

9e57dea(current) vs 5957b21 master#9200(baseline)

Warning

Bundle contains 67 duplicate packages – View duplicate packages

Bundle metrics   2 changes 1 regression

	Current Job #9202	Baseline Job #9200
Initial JS	47.3MiB(~+0.01%)	47.29MiB
Initial CSS	0B	0B
Cache Invalidation	23.39%	21.42%
Chunks	25	25
Assets	29	29
Modules	4386	4386
Duplicate Modules	468	468
Duplicate Code	30.38%	30.38%
Packages	454	454
Duplicate Packages	67	67

Bundle size by type   1 change 1 regression

	Current Job #9202	Baseline Job #9200
JS	65.14MiB (~+0.01%)	65.14MiB
HTML	11.32KiB	11.32KiB

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View job #9202 report View feature/store-collaborators branch activity

[github-actions]

Performance test results: