This project was bootstrapped with .NET Core.
In the project directory, open it through Visual Studio and go to Tools / NuGet Package Manager / Console:
Add-Migration Name
Creates a migration.
Update-Database
Performs migration.
Open https://localhost:7261/swagger/index.html to view it in the browser.
Task - A task in C# is used to implement Task-based Asynchronous Programming. The Task object is typically executed asynchronously on a thread pool thread rather than synchronously on the main thread of the application.
ActionResult - An action is capable of returning a specific data type. When multiple return types are possible, it's common to return ActionResult, IActionResult or ActionResult, where T represents the data type to be returned.