Support for nested/non-flat collections

[ouvreboite]

I did not find any clarification in the doc, but does db support collection schema with nested structures?

For example if I have a todos collections (id,name,isCompleted, tags) can tags be a string array and still be part of the todo or do I need to create a dedicated todoTags collection?

I don't see any operator that would apply to non primitive types, I suppose it's the later.