ViewControllerNavigation.swift

import UIKit

enum Storyboard: String {
    case main = "Main"
}

protocol ViewControllerNavigation {
    static var storyboard: Storyboard { get }
    static var identifier: String { get }
}

extension ViewControllerNavigation {
    static func instantiate() -> Self {
        return UIStoryboard(name: Self.storyboard.rawValue, bundle: nil).instantiateViewController(withIdentifier: identifier) as! Self
    }
}