This is a basic layout for building API by Golang
- https://github.com/golang-standards/project-layout
- https://dev.to/jinxankit/go-project-structure-and-guidelines-4ccm
- https://www.developer.com/languages/go-project-layout/
- https://www.wolfe.id.au/2020/03/10/how-do-i-structure-my-go-project/
- https://github.com/onmyway133/awesome-voip/blob/master/README.md