docs(ip-restriction): add clear JSDoc examples and param types

[VISHNU7KASIREDDY]

This PR adds a comprehensive @example block and fully documents the @param and @returns tags for the ipRestriction middleware. This will help developers understand how to correctly configure its allowList/denyList and custom onError handler right from their IDE.

• Adds exhaustive @param documentation
• Adds @example showcasing complex CIDR/IP combinations and a custom error handler
• Adds @see linking directly to the Hono ip-restriction docs

Addresses the current lack of IDE context for this specific middleware.

[VISHNU7KASIREDDY]

Hi @yusukebe, could you please review and merge this when you have time? Thank you.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.85%. Comparing base (e1ae0eb) to head (036a316).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4851   +/-   ##
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  Coverage   92.84%   92.85%           
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  Files         177      177           
  Lines       11643    11657   +14     
  Branches     3469     3475    +6     
=======================================
+ Hits        10810    10824   +14     
  Misses        832      832           
  Partials        1        1           

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[yusukebe]

LGTM!

[yusukebe]

@VISHNU7KASIREDDY Thanks!