feat: Add wdiff option

[kesara]

Fixes #5

[codecov-commenter]

Codecov Report

Merging #10 (35d0f2e) into main (1040702) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #10   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           86       108   +22     
=========================================
+ Hits            86       108   +22     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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Impacted Files	Coverage Δ
iddiff/iddiff.py	100.00% <100.00%> (ø)

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