Proposal: ASPNET Core Middleware extension

[patrickhacens]

I propose that we develop a second assembly to include a seeding endpoint that would run a specified seeder

I believe the initial API should be as follow

app.UseSeedMaster<TSeederType>("url");

where TSeederType should be an ISeeder to include others specification of seeders and url should be the defined path

we should also think something about the response and the HTTP method that will be accepted