feat(qwik-city/404): add possible routes to dev server

[naorpeled]

Overview

What is it?

• [x] Feature / enhancement
• [ ] Bug
• [ ] Docs / tests / types / typos

Description

Currently, when reaching a 404 page in dev server, you'll receive a generic error page without much detail.

This PR adds links to all available routes.

without overflow:

with overflow:

closes #4085

Checklist:

• [x] My code follows the developer guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have made corresponding changes to the documentation
• [ ] Added new tests to cover the fix / functionality

Things we want to do next:

• Add a search box (need to figure out how to achieve this?)
• Add component names for each link (probably root that hosts the page?)
• Add dynamic path parameters value input for dynamic routes