Rename directory to avoid ambiguity

[ashvin-a]

trafficstars

Renamed the examples/data/hotel_invoices/extract_invoice_json to examples/data/hotel_invoices/extract_invoice_json_ since there was already another directory with the same name in hotel_invoices. It also threw an error while cloning the repository in windows machine.

[ashvin-a]

@ted-at-openai @simonpfish @msingh-openai @fouad-openai @justonf

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