feat: add option to include request body and response body in log util

[smileby]

Description

Fixes #10803

The request body and response body related attributes are added to the log plug-in. The list is as follows：

• elasticsearch-logger
• skywalking-logger
• syslog
• sls-logger
• tcp-logger
• udp-logger

upplement the description of existing attributes missing in the Chinese document. The list is as follows：

• loggly
• tencent-cloud-cls

Checklist

• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• I have added tests corresponding to this change
• I have updated the documentation to reflect this change
• I have verified that this change is backward compatible (If not, please discuss on the APISIX mailing list first)

[smileby]

@shreemaan-abhishek Please help to check, thanks

[smileby]

@shreemaan-abhishek I don’t think the ci error is caused by this PR, please help check. Thanks

[shreemaan-abhishek]

please provide test cases for other plugnis as well.

[smileby]

please provide test cases for other plugnis as well.

@shreemaan-abhishek Can the test cases be completed by adding logs in the plug-in? I can't seem to use assertions without increasing the log

[shreemaan-abhishek]

@smileby I didn't get you.

[monkeyDluffy6017]

@smileby please resolve the conflicts

[smileby]

@smileby please resolve the conflicts

Thanks for the reminder, I have solved it

[smileby]

@smileby I didn't get you.

@shreemaan-abhishek I added the info log in the plug-in to facilitate me to write test cases. The code has been submitted, please help to check, thank you

[shreemaan-abhishek]

LGTM, thank you!