fix get_df for output in stocks/disc

[gnzng]

Description

• use manipulation of returned HTML string via regex to clean up yahoo HTML request. The radio button gives an extra 'Select TICKER' prompt (see screenshot)
• import module re
• replace whole class=\"Fz\(0\)\" span from HTML request

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How has this been tested?

Tested functions on local machine in jupyter notebook with python 3.10.5 and pandas 1.4.3.

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• Update our Hugo documentation following these guidelines.
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[colin99d]

Thanks for this PR! Looks like linters need cleaned up and then we should be good to go.

[gnzng]

I missed a whitespace after re import, will fix it in a second

[colin99d]

Great work man!