add type hints to core

[jxtngx]

No description provided.

[codecov-commenter]

Codecov Report

Merging #7 (4acc9ca) into main (86f12b0) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main       #7      +/-   ##
==========================================
+ Coverage   93.37%   93.45%   +0.07%     
==========================================
  Files           5        5              
  Lines         166      168       +2     
==========================================
+ Hits          155      157       +2     
  Misses         11       11              

Impacted Files	Coverage Δ
lightning_pod/core/module.py	79.62% <100.00%> (+0.78%)	⬆️

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