fix: broken `proxy-server-ip:proxy-port` example links in CLI reference docs

[dangrondahl]

Description

mint broken-links reports 79 broken links across all client_reference/ pages. Each one is the example URL http://proxy-server-ip:proxy-port in the --http-proxy flag description:

--http-proxy string  |  [optional] The HTTP proxy URL including protocol and port number.
                         e.g. 'http://proxy-server-ip:proxy-port'

Since these reference pages are generated from the CLI repo (kosli-dev/cli), the fix needs to happen upstream — either by escaping/backticking the example URL in the CLI help text so it doesn't render as a link, or by adjusting the docs generation.

Affected: 79 files in client_reference/