Review Logging pages for 3.3 wrapper SDKs

Review logging pages for 3.3 wrapper SDKs

We should add the new Couchbase++ way to enable logging:

• Python: 'PYCBC_LOG_LEVEL'

• Node.js: 'CBPPLOGLEVEL'

• PHP: Identify how this is done for this SDK

• Ruby should be fine as this was already using Couchbase++, but worth double checking

Add any required admonition to signal the page is not complete if necessary.
For example: https://docs.couchbase.com/nodejs-sdk/current/howtos/collecting-information-and-logging.html