doc: add documentation to mcp config

[Similarityoung]

What this PR does:

add documentation to mcp config

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 15.70%. Comparing base (26606a8) to head (c0cc9e7).
⚠️ Report is 73 commits behind head on develop.

❗ There is a different number of reports uploaded between BASE (26606a8) and HEAD (c0cc9e7). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (26606a8)	HEAD (c0cc9e7)
	1	0

Additional details and impacted files

@@             Coverage Diff              @@
##           develop     #770       +/-   ##
============================================
- Coverage    54.67%   15.70%   -38.97%     
============================================
  Files          671      220      -451     
  Lines        78658    16343    -62315     
============================================
- Hits         43006     2567    -40439     
+ Misses       31981    13539    -18442     
+ Partials      3671      237     -3434     

Flag	Coverage Δ
unittests	15.70% <ø> (?)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud