doc: add the explanation on how to read/write strategy fields

[zenixls2]

DOC: add documentation on how to print/edit fields from a strategy in interactive scenarios (ex: telegram or slack)

[bbgokarma-bot]

Welcome back! @zenixls2, This pull request may get 261 BBG.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 24.11%. Comparing base (1f8b2b3) to head (271eafa).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1746   +/-   ##
=======================================
  Coverage   24.11%   24.11%           
=======================================
  Files         615      615           
  Lines       37541    37544    +3     
=======================================
+ Hits         9052     9055    +3     
  Misses      27691    27691           
  Partials      798      798           

see 1 file with indirect coverage changes

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