Update - improve visibility of client lib code blocks

[amyshwang]

Describe the requested changes:

User feedback:

On the other side, in order to be more appealing, try to add in your "connect" section in the Docs or in the tutorial section, some pages like "Connect using Java" or "Connect using Python" so that everyone can copy-paste quickly a code to interact with questDB.

• Should we add a link to the client lib landing page to Connect? Adding everything to Connect page is perhaps too overwhelming...
• Any other ways to improve usability?

Location: Potentially https://questdb.io/docs/develop/connect