Improve progress bars, rename get_quarterly_filings to download_filings

[tylerjthomas9]

No description provided.

[codecov-commenter]

Codecov Report

Merging #12 (81868e9) into main (094a474) will increase coverage by 1.72%.
The diff coverage is 93.54%.

@@            Coverage Diff             @@
##             main      #12      +/-   ##
==========================================
+ Coverage   89.79%   91.52%   +1.72%     
==========================================
  Files           3        3              
  Lines          98      118      +20     
==========================================
+ Hits           88      108      +20     
  Misses         10       10              

Impacted Files	Coverage Δ
src/download_filings.jl	89.09% <90.47%> (+0.99%)	⬆️
src/download_metadata.jl	92.98% <100.00%> (+2.98%)	⬆️

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