Docs: add missing logging flags to configuration guide

[Mvrk08]

Description :

This PR updates the Configuration Guide to include the missing Logging flags section, as requested in parent issue #1074

The following flags have been added to match the server code in config.go:

• --logger
• --log-outputs
• --log-level
• --log-format
• --enable-log-rotation
• --log-rotation-config-json

Related Issue :
Fixes part of #1074

[k8s-ci-robot]

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[Mvrk08]

Hello @ronaldngounou i took the opportunity to make a pr let me know if any more changes are required or not

[ronaldngounou]

CodeRef says that 'zap' is only supported for structured logging. capnslog is removed in v3.5?

[Mvrk08]

Yes you are right .. 'capnslog' is depriciated in v3.5 removed it

[ronaldngounou]

Could you please address the comment and sign DCO?

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This pull-request has been approved by: Mvrk08

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[Mvrk08]

updated pr #1106