¿Cómo habilitar las migraciones?
Enable-Migrations
Fair Falcon
Enable-Migrations
// Package Manger
PM> Install-Package Microsoft.EntityFrameworkCore.Tools -Version 2.0.1
// or this will work inside the CLI Console
dotnet add package Microsoft.EntityFrameworkCore.Tools --version 2.0.1
// **for the current/LATEST ver. leave out version option it will install latest Install-Package Microsoft.EntityFrameworkCore.Tools