func createUser(_ request: Request)throws -> ResponseRepresentable {
        guard let username = request.data["username"]?.string,
            let password = request.data["password"]?.string else {
                throw Abort.badRequest
        }

        if try User.all().count == 0 {
            let creds = StandardCredentials(username: username, password: password)
            var user = try User.register(credentials: creds)
            try user.save()
            return Response(redirect: "/admin/new-post")
        } else {
            return Response(redirect: "/create-admin")
        }
    }