refactor(infra) : reorganize docker config into infra/dev and infra/prod

Align project structure with Lesstime: move docker/ to infra/dev/ and
deploy/ to infra/prod/. Update all references in docker-compose,
makefile, CI workflow, Dockerfile, .gitignore and .dockerignore.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -2,7 +2,7 @@ services:
   web:
     container_name: php-${DOCKER_APP_NAME}-apache
     build:
-      context: ./docker/php
+      context: ./infra/dev
       dockerfile: Dockerfile
       args:
         DOCKER_PHP_VERSION: ${DOCKER_PHP_VERSION}
@@ -20,9 +20,9 @@ services:
       - ~/.cache:/var/www/.cache # Pour la cache de composer
       - ~/.config:/var/www/.config # Pour la config de yarn
       - ~/.composer:/var/www/.composer # Pour la config de composer
-      - ./docker/php/config/php.ini:/usr/local/etc/php/php.ini
-      - ./docker/php/config/vhost.conf:/etc/apache2/sites-available/000-default.conf
-      - ./docker/php/config/docker-php-ext-xdebug.ini:/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+      - ./infra/dev/php.ini:/usr/local/etc/php/php.ini
+      - ./infra/dev/vhost.conf:/etc/apache2/sites-available/000-default.conf
+      - ./infra/dev/xdebug.ini:/usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
       - ./LOG:/var/www/html/LOG
       - ./LOG/logs_apache:/var/log/apache2/
     extra_hosts: