Run mypy tests on commit

[Spartee]

Run the following on commit

• mypy
• black
• isort

Also lots of fixes to satisfy mypy

[codecov-commenter]

Codecov Report

Merging #56 (f12f0a8) into main (e5c7579) will decrease coverage by 0.35%.
The diff coverage is 83.11%.

@@            Coverage Diff             @@
##             main      #56      +/-   ##
==========================================
- Coverage   87.56%   87.22%   -0.35%     
==========================================
  Files          15       15              
  Lines         780      814      +34     
==========================================
+ Hits          683      710      +27     
- Misses         97      104       +7     

Files Changed	Coverage Δ
redisvl/vectorize/text/huggingface.py	82.35% <ø> (ø)
redisvl/vectorize/text/openai.py	76.56% <ø> (ø)
redisvl/index.py	87.17% <66.66%> (ø)
redisvl/query/filter.py	90.79% <78.84%> (-4.66%)	⬇️
redisvl/llmcache/semantic.py	89.74% <100.00%> (ø)
redisvl/query/__init__.py	100.00% <100.00%> (ø)
redisvl/query/query.py	93.81% <100.00%> (+2.32%)	⬆️
redisvl/utils/utils.py	86.53% <100.00%> (ø)
redisvl/vectorize/base.py	79.31% <100.00%> (ø)