Fix subrouter createURL

[willybrauner]

When with createUrl of a sub-router, from a sub-router, the URL wasn't build properly on the server-side. This cause a diff of render between server and client.

To resolve this issue we need to:

• Get an "is root router" state on server and client side
• Harly reset all Routers property on each http request (because the nodejs runtime is not clear on each http request)
• Rework createUrl() function: internalize all the getUrlByRouteName logic
• Update and split tests
• Remove old core getUrlByRouteName() & getFullPathByPath()
• Remove core compileUrl(), use path-to-regexp compile instead

[codesandbox-ci]

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Latest deployment of this branch, based on commit 8f22538:

Sandbox	Source
example-client	Configuration
example-ssr	Configuration

[willybrauner]

size-limit report 📦

Path	Size
@cher-ami/router	8.08 KB (-0.97% 🔽)