added fitz and unstructuredio pdf loader py evadb script

[seansru]

No description provided.

[github-actions]

👋 Hello @Stru17, thanks for submitting a EVA DB PR 🙏 To allow your work to be integrated as seamlessly as possible, we advise you to:

• ✅ Verify that your PR is up-to-date with georgia-tech-db/eva master branch. If your PR is behind you can update your code by clicking the 'Update branch' button or by running git pull and git merge master locally.
• ✅ Verify that all EVA DB Continuous Integration (CI) checks are passing.
• ✅ Reduce changes to the absolute minimum required for your bug fix or feature addition.

[xzdandy]

Hi, @Stru17 how should the PDFReader be used by the EvaDB?

[jarulraj]

The idea is to replace add an additional PDF Reader backed by Unstructured IO -- not replace the default PDF reader.

[jarulraj]

@Stru17 The output and structure of this UnstructuredIOPDFReader class should match that of the original PDFReader class. Currently, it is more of a Python script.

[seansru]

I have provided an updated script, please take a look and provide some feedback on if I should further change/update it. I have also message the professor on Slack and would appreciate if I can get a response as soon as possible!