Update README.md to improve integration

[nckrtl]

Strictly following the current readme doesn't result in Wayfinder working properly (with at least Vue). The following changes should:

• The suggested aliases require you to als update your tsconfig, else it's not aware of the aliases (this is not mentioned in the readme). Suggestion: just instruct to setup the general @ alias.
• Defining a relative path is not recommend as per vite.dev: "When aliasing to file system paths, always use absolute paths. Relative alias values will be used as-is and will not be resolved into file system paths."
• Updated all @routes and @actions to @/routes and @/actions

[timacdonald]

I don't mind if we remove the additional aliases, but if we go down this path, I'd recommend we remove the alias section all together. The Laravel Vite plugin already adds the @ alias.

[nckrtl]

Yeah that makes sense. Removed the alias section. I wasn't aware myself that Laravel Vite Plugin provides the alias by default. I think it makes sense to mention it. I placed a note under the first template/code example.

[timacdonald]

I've removed the note. Think I would rather we make the assumption that the application is using the Vite plugin and work out how to improve it once we have people that are having issues.