Add concise example when choosing a commit rule in `cz init`

[namwoam]

Description

When a new user initializes cz in a Git repository, they are prompted to choose a commit rule. However, it isn’t clear how each rule translates into an actual commit message. Providing a simple concise documentation a at this step would help clarify the differences and reduce user friction.

Possible Solution

No response

Additional context

? Please choose a supported config file:  pyproject.toml
? Please choose a cz (commit rule): (default: cz_conventional_commits) (Use arrow keys)
 » cz_conventional_commits
   cz_customize
   cz_jira <- should have documentation when hover over it

Related issues

No response