Meanwhile you can check these post to dive into Entity Framework Core. There is enough material for you to start with Entity Framework Core…
- Quick summary of what’s new in Entity Framework Core 1.0
- Shadow Properties with Entity Framework Core
- Use HiLo to generate keys with Entity Framework Core
- Use SQL Server Sequence in Entity Framework Core
- Execute Stored Procedure in Entity Framework Core
- Entity Framework Core InMemory provider with ASP.NET Core