docs: update github syntax of note & warning

[ersachin3112]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

update github syntax of note & warning

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.56%. Comparing base (f5be49c) to head (6b51d28).
Report is 31 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1607      +/-   ##
==========================================
+ Coverage   96.15%   96.56%   +0.40%     
==========================================
  Files          10       10              
  Lines        1196     1192       -4     
  Branches      461      453       -8     
==========================================
+ Hits         1150     1151       +1     
+ Misses         37       36       -1     
+ Partials        9        5       -4     

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