Make Redirect extendable

[FlorianV85]

Hey! I was trying to extend HttpRedirect, but I realized that the class is not Macroable, unlike the others.

Is this an intentional design decision— extending Redirect isn't recommended? Or adding this would be reasonable?

Thank you!

[thetutlage]

Its Macroable now. https://github.com/adonisjs/http-server/blob/8.x/src/redirect.ts#L51