Refactor routes & helpers

[florent-uzio]

This PR refactors the Routes to make it more flexible and readable.

It also adds some helpers to:

• Easily inject a path parameter in a URL (+ tests)
• Identify if a const is a string, number, object, function... (+ tests)

GemWallet still works as usual:

2023-08-11_19-15-05.mp4

[FlorianBouron]

@all-contributors add @florent-uzio for code

[allcontributors]

@FlorianBouron

I've put up a pull request to add @florent-uzio! 🎉

[FlorianBouron]

Thank you so much for your contribution, it seems ready to merge.
Though could you please remove the unused constant within App.tsx, here is the link to the failing pipeline: https://github.com/GemWallet/gemwallet-extension/actions/runs/5835263193/job/15827483774?pr=239

[FlorianBouron]

Approved with the following comment above

[ThibautBremand]

Thanks a lot @florent-uzio 👍