Enhancement request: date stamps

[kript]

Currently the plugin creates documents in the index without a date stamp.

This means that time based visualisations (e.g. how many attributes added in the past hour) wont work.

Would it be possible to add date_added and date_modified (as appropriate) to the document sent to Elasticsearch please?
If managing state for both is tricky (meaning multiple calls to Elastic to determine if a document exists), perhaps just the date_modified?

Thanks!

[d-w-moore]

@kript is this referring to the metadata index type or the full_text index type? Or both?

[kript]

metadata, I think - we haven't configured our plugin to do full-text indexing of objects, AIUI.