Create a @nest-lab/multer where a multer package can be plugged in to work with the used http adapter

[wladimirguerra]

Instead of having a package for each adapter (expressjs and fastify) would be better to have a single package where a multer package, that works for the adapter in use, can be plugged in.

[wladimirguerra]

Hi there. This is a follow-up to a discussion on the Discord channel. I will have a look at this.