Story/cite 163 - We need a bulk upload for files.

[PradnyaC11]

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https://diging.atlassian.net/browse/CITE-163
We need a bulk upload for files.

...Put description here...
The user would create a BibText export that includes files via Zotero (Zotero -> export collection -> BibTex format with "include files" checked). They would then zip the folder that Zotero exports and upload it to Citesphere. Citesphere would send it to the Citesphere Importer component (via Kafka like the other imports) and the importer would then create references in the zotero group the user specifies for the import (like for the web of science import that has no files) and send the files to Giles for processing (similar to how Giles sends individual files to Giles for processing).

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... describe here ...

[jdamerow]

Class names should be noun, so a better name would be ExtraParser.