[Docs] Typo in the code of the custom plugin documentation

[TakhyunKim]

TanStack Devtools version

v0.6.14

Framework/Library version

N/A

Describe the bug and the steps to reproduce it

docs link: https://tanstack.com/devtools/latest/docs/framework/react/guides/custom-plugins#consuming-the-event-client

The custom plugin documentation contains the following typo:

• jsx closed typo in DevtoolsPanel.ts example code
• on method ) missing in DevtoolsPanel.ts example code

Your Minimal, Reproducible Example - (Sandbox Highly Recommended)

N/A

Screenshots or Videos (Optional)

Do you intend to try to help solve this bug with your own PR?

Yes, I am also opening a PR that solves the problem along side this issue

Terms & Code of Conduct

• I agree to follow this project's Code of Conduct
• I understand that if my bug cannot be reliable reproduced in a debuggable environment, it will probably not be fixed and this issue may even be closed.