docs: updates the part of configuration api

[wushiling50]

What this PR does:
updates the docs context about configuration api
Which issue(s) this PR fixes:

Fixes #1045

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

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This pull request has been automatically marked as stale because it has not had activity in the last 30 days. It will be closed in 7 days if no further activity occurs. Please feel free to give a status update now, ping for review, or re-open when it's ready. Thank you for your contributions!

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This pull request has been automatically closed because it has not had activity in the last 37 days. Please feel free to give a status update now, ping for review, or re-open when it's ready. Thank you for your contributions!