docs: listening to lifecycle events #2860
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Description of Problem
This should be at least a partial response to #2851 documenting the built-in possibility to listen to Vue lifecycle events without explicitly declare corresponding emits. The feature is briefly mentioned in Migration guide but AFAIK not documented anywhere in the actual Vue 3 docs.
Proposed Solution
I described a simple demo including Playground examples.
Additional Information
I am happy to receive a revisions and I am ready to address any remarks as there can be more to cover on this topic I am not aware of yet.