Dapper + Object Extensions (edit)

Generic repository pattern using Dapper

https://itnext.io/generic-repository-pattern-using-dapper-bd48d9cd7ead

CRUD with JSON file

https://www.c-sharpcorner.com/article/crud-operation-with-json-file-data-in-c-sharp/

Best Visual Studio Extensions

https://www.syncfusion.com/blogs/post/15-must-have-visual-studio-extensions-for-developers.aspx

For Visual Studio 2019

https://www.telerik.com/blogs/top-15-visual-studio-code-extensions-in-2019

New For Visual Studio 2019

https://visualstudiomagazine.com/articles/2019/04/12/vs-2019-tools.aspx