feat(docker): Xdebug support

[ragusa87]

Put back xdebug.

I created multiple stages

• prod: The container with everything (default)
• dev: The container without the code, with Xdebug installed.

To use the dev mode, you need to create an override.yaml file like below and run the install commands manually (composer install ; npm install ; npm build).

services:
  biblioteca:
    build:
        target: dev
    environment:
      - XDEBUG_MODE=debug
      - PHP_IDE_CONFIG=serverName=...