[PFX-547]: Option for next custom server/fastify/express in presets

[bbetts-godaddy]

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Summary

This PR allows for users to select which server type they would like to use with a preset. The options include fastify, express and Custom Next Server.

Ticket: PFX-547

Changelog

• Add prompt for server type to @gasket/preset-api and @gasket/preset-nextjs

Test Plan