add coverage badges

[ylwu-amzn]

Signed-off-by: Yaliang Wu [email protected]

Description

add coverage badges

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov-commenter]

Codecov Report

❗ No coverage uploaded for pull request base (main@5eb38f7). Click here to learn what that means.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #281   +/-   ##
=======================================
  Coverage        ?   91.60%           
  Complexity      ?      356           
=======================================
  Files           ?       51           
  Lines           ?     1108           
  Branches        ?       49           
=======================================
  Hits            ?     1015           
  Misses          ?       75           
  Partials        ?       18           

Flag	Coverage Δ
ml-commons	91.60% <0.00%> (?)

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[Zhangxunmt]

91.6% coverage is great!