feat: initialisation du projet

- Ajout des dépendances dans `composer.json` (Doctrine, Twig, Security, etc.).
- Configuration de l’environnement de développement via `.env`.
- Mise en place d’un modèle de base pour les assets avec `app.js` et `app.css`.
- Création du fichier de configuration `asset_mapper.yaml`.
- Ajout de la configuration Docker via `compose.yaml` (PostgreSQL, Mailer).
- Ajout des fichiers de base pour les templates Twig (`base.html.twig`).
- Mise à jour des ignores dans le fichier `.gitignore`.
- Fichiers supplémentaires pour le cache, les tests et les bootstrap Symfony.

config/packages/security.yaml

@@ -0,0 +1,39 @@
+security:
+    # https://symfony.com/doc/current/security.html#registering-the-user-hashing-passwords
+    password_hashers:
+        Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: 'auto'
+
+    # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
+    providers:
+        users_in_memory: { memory: null }
+
+    firewalls:
+        dev:
+            # Ensure dev tools and static assets are always allowed
+            pattern: ^/(_profiler|_wdt|assets|build)/
+            security: false
+        main:
+            lazy: true
+            provider: users_in_memory
+
+            # Activate different ways to authenticate:
+            # https://symfony.com/doc/current/security.html#the-firewall
+
+            # https://symfony.com/doc/current/security/impersonating_user.html
+            # switch_user: true
+
+    # Note: Only the *first* matching rule is applied
+    access_control:
+        # - { path: ^/admin, roles: ROLE_ADMIN }
+        # - { path: ^/profile, roles: ROLE_USER }
+
+when@test:
+    security:
+        password_hashers:
+            # Password hashers are resource-intensive by design to ensure security.
+            # In tests, it's safe to reduce their cost to improve performance.
+            Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
+                algorithm: auto
+                cost: 4 # Lowest possible value for bcrypt
+                time_cost: 3 # Lowest possible value for argon
+                memory_cost: 10 # Lowest possible value for argon