Added XLSX/XLS Excel file support

[giuliastro]

• Brought unstructured to version 0.6.7
• Added xlrd requirement to the backend
• Added xslx / xls parser
• Updated processors to use the new parser

Quivr can now upload XLS and XLSX files and use them as Brain

Description

Please include a summary of the changes and the related issue. Please also include relevant motivation and context.

Checklist before requesting a review

Please delete options that are not relevant.

• [ ] My code follows the style guidelines of this project
• [ ] I have performed a self-review of my code
• [ ] I have commented hard-to-understand areas
• [ ] I have ideally added tests that prove my fix is effective or that my feature works
• [ ] New and existing unit tests pass locally with my changes
• [ ] Any dependent changes have been merged

Screenshots (if appropriate):

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 9, 2023 8:48pm
quivrapp	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 9, 2023 8:48pm

[vercel[bot]]

@giuliastro is attempting to deploy a commit to the Quivr-app Team on Vercel.

A member of the Team first needs to authorize it.

[gozineb]

Thank you @giuliastro, this is a very demanded feature 🙌 Can you please fix the conflicts in order to merge your PR ?

[Zhui777777]

why I can not upload EXCEL files?

[github-actions[bot]]

Thanks for your contributions, we'll be closing this PR as it has gone stale. Feel free to reopen if you'd like to continue the discussion.

[gozineb]

Hi @giuliastro, thanks for your contribution. As we didn't get any news from you, we're closing this PR and fixing the conflicts in this one: https://github.com/StanGirard/quivr/pull/997