add lmi breaking changes document to docs site

[siddvenk]

Description

Brief description of what this PR is about

• If this change is a backward incompatible change, why must this change be made?
• Interesting edge cases to note here

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.50%. Comparing base (890d980) to head (4967878).
Report is 5 commits behind head on master.

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Additional details and impacted files

@@             Coverage Diff              @@
##             master    #3529      +/-   ##
============================================
+ Coverage     72.39%   74.50%   +2.11%     
- Complexity     7413     7551     +138     
============================================
  Files           674      674              
  Lines         33048    33048              
  Branches       3523     3523              
============================================
+ Hits          23925    24624     +699     
+ Misses         7490     6752     -738     
- Partials       1633     1672      +39     

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