Logging convensions

[RainbowMango]

What documentation would you like to be added:
Proposing to add documents for logging conversion, like https://github.com/kubernetes/community/blob/master/contributors/devel/sig-instrumentation/logging.md#logging-conventions.

Why do you think this document is needed:
Creating a document for logging conventions is essential for maintaining consistency, ensuring readability, and facilitating effective troubleshooting and monitoring in the system.

Where do you think the document should be placed:
I think the document could be placed under https://github.com/karmada-io/website/tree/main/docs/contributor
More precisely, the document should be placed in this code directory:
https://github.com/karmada-io/website/tree/main/docs/contributor/logging-convension.md