[docker-compose] Added alias for docker-compose up --build (#8843)

* [docker-compose] Added alias for docker-compose up --build

Sometimes building images before starting the containers comes in handy.

Alias: `dcupb`
Command: `docker-compose up --build`

* Updated docker-compose/README.md

Added the alias definition in the readme

Co-authored-by: Robby Russell <robby@planetargon.com>