for #94 -- normalized weights

[dblodgett-usgs]

No description provided.

[dblodgett-usgs]

Added the reprex shown in #94 to tests -- should be solid.

[dblodgett-usgs]

@elliewhite-usgs -- Can you try out the normalized weights in a workflow and see if this seems correct?

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (f0808d3) 91.85% compared to head (88a1d13) 91.74%.
Report is 10 commits behind head on main.

❗ Current head 88a1d13 differs from pull request most recent head bf3da0a. Consider uploading reports for the commit bf3da0a to get more accurate results

Files	Patch %	Lines
R/calculate_area_intersection_weights.R	90.90%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #96      +/-   ##
==========================================
- Coverage   91.85%   91.74%   -0.11%     
==========================================
  Files          11       11              
  Lines         896      909      +13     
==========================================
+ Hits          823      834      +11     
- Misses         73       75       +2     

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