Make CodableBridge a property wrpper

[KyNorthstar]

Wouldn't that be nice?

// Before
struct User: Codable, Equatable {
    let name: String
    let avatar: UIImage.CodableBridge?
    let favoriteColor: UIColor.CodableBridge
}
let redd = User(
    name: "Redd",
    avatar: UIImage(named: "Redd-avatar").codable,
    favoriteColor: UIColor(hue: 0.11, saturation: 0.78, brightness:  0.96, alpha: 1).codable
)


// After
struct User: Codable, Equatable {
    let name: String

    @CodableBridge
    let avatar: UIImage?

    @CodableBridge
    let favoriteColor: UIColor
}
let redd = User(
    name: "Redd",
    avatar: UIImage(named: "Redd-avatar"),
    favoriteColor: UIColor(hue: 0.11, saturation: 0.78, brightness:  0.96, alpha: 1)
)