docs(middleware): add Hono React Query to third-party middleware list

[saenyakorn]

PR Description

Summary:
This pull request updates the third-party middleware documentation by adding Hono React Query to the list.

Changes:

• docs/middleware/third-party.md: Added a new entry for Hono React Query with a link to its repository (https://github.com/softnetics/hono-react-query).

What it is: Hono React Query is a tool for integrating the Hono API with Tanstack React Query, providing end-to-end type safety and automatic query key management.

[yusukebe]

The middleware list docs/middleware/third-party.md should contain only actual "middleware".

[saenyakorn]

Thank you for your response. Sorry for submitting an unrelated pull request. Could you advise on the most appropriate location to document this tool in Hono Docs Website.