doc: provider with example

[aljo242]

Closes CON-1982

• move existing provider docs from ./providers/base to ./providers
• create walkthrough explaining the binance API provider

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.38%. Comparing base (9156630) to head (9d222f2).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #845   +/-   ##
=======================================
  Coverage   57.38%   57.38%           
=======================================
  Files         214      214           
  Lines       14822    14822           
=======================================
  Hits         8506     8506           
  Misses       5703     5703           
  Partials      613      613           

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