feature request: append data to existing fst files

[ssh352]

user case: need to append market data recorded everyday to existing historical market data. Thank you for this great package!

[xiaodaigh]

Duplicate of #91

[MarcusKlik]

Hi @ssh352, thanks for your question!

Indeed, as @xiaodaigh indicates, the feature you seek has been requested before. Also, for your use case, a feature where a set of existing fst files can be read and accessed as a single dataset might be useful.

thanks