[Refactor] update TIN readme

[cir7]

Motivation

retrain tin model and update TIN readme

[codecov[bot]]

Codecov Report

Base: 74.70% // Head: 74.70% // No change to project coverage :thumbsup:

Coverage data is based on head (db96618) compared to base (a15b934). Patch has no changes to coverable lines.

:exclamation: Current head db96618 differs from pull request most recent head db75b69. Consider uploading reports for the commit db75b69 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           dev-1.x    #1926   +/-   ##
========================================
  Coverage    74.70%   74.70%           
========================================
  Files          133      133           
  Lines         9260     9260           
  Branches      1584     1584           
========================================
  Hits          6918     6918           
  Misses        2023     2023           
  Partials       319      319           

Flag	Coverage Δ
unittests	74.70% <ø> (ø)

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