DOCS: Add pep8 aliases documentation

[dipinknair]

Document how pep8 aliases can be enabled. Examples and limitations

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.04% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (9865594)	2544	2193	86.20%
Head commit (242a265)	2544 (+0)	2194 (+1)	86.24% (+0.04%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1249)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.24%. Comparing base (9865594) to head (242a265).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1249      +/-   ##
==========================================
+ Coverage   86.20%   86.24%   +0.03%     
==========================================
  Files          39       39              
  Lines        2544     2544              
==========================================
+ Hits         2193     2194       +1     
+ Misses        351      350       -1     

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