feat : init project Coltura (CRM/ERP)

Symfony 8 + API Platform 4 + Nuxt 4 monorepo.
Backend: User entity, JWT auth, fixtures.
Frontend: login, dashboard, auth middleware, i18n, @malio/layer-ui.
Docker: dev (ports 8083/3003/5436) + prod multi-stage.

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

.gitignore

@@ -0,0 +1,38 @@
+###> symfony/framework-bundle ###
+/.env.local
+/.env.local.php
+/.env.*.local
+/config/secrets/dev/dev.decrypt.private.php
+/public/bundles/
+/var/
+/vendor/
+###< symfony/framework-bundle ###
+
+###> phpunit/phpunit ###
+/phpunit.xml
+.phpunit.result.cache
+.phpunit.cache
+###< phpunit/phpunit ###
+
+###> php-cs-fixer ###
+.php-cs-fixer.cache
+###< php-cs-fixer ###
+
+###> lexik/jwt-authentication-bundle ###
+/config/jwt/*.pem
+###< lexik/jwt-authentication-bundle ###
+
+###> frontend ###
+frontend/node_modules/
+frontend/.nuxt/
+frontend/.output/
+frontend/dist/
+###< frontend ###
+
+###> docker ###
+infra/dev/.env.docker.local
+###< docker ###
+
+###> logs ###
+LOG/
+###< logs ###