Initial scaffold : Laravel 12 + PostgreSQL + auth + domaine métier (étapes 1-5)

- Laravel 12 sur PHP 8.5, Breeze (Blade/Tailwind/Alpine.js)
- Docker Compose dev (PostgreSQL 18 + Redis) et prod (stack complète + nginx)
- Migrations et models : lieux, sections, dépôts, source_types/fields, sources, relevés
  - Colonne JSONB data sur releves avec colonnes générées indexées (nom, prenom, date_evenement)
  - Index GIN pour la recherche fulltext
- Enums : UserRole, SourceStatus (avec transitions), CalendarType, FieldType
- RoleMiddleware (alias `role`) + helpers isAdmin/isSectionManager sur User
- CRUD Lieux (arbre hiérarchique, calcul nom_long en cascade)
- CRUD admin : Sections (+ gestion membres), Dépôts, Types de sources (+ champs dynamiques, drag & drop)
- CRUD Sources : visibilité filtrée par rôle, assignation membres, workflow de statut

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/services.php

@@ -0,0 +1,38 @@
+<?php
+
+return [
+
+    /*
+    |--------------------------------------------------------------------------
+    | Third Party Services
+    |--------------------------------------------------------------------------
+    |
+    | This file is for storing the credentials for third party services such
+    | as Mailgun, Postmark, AWS and more. This file provides the de facto
+    | location for this type of information, allowing packages to have
+    | a conventional file to locate the various service credentials.
+    |
+    */
+
+    'postmark' => [
+        'key' => env('POSTMARK_API_KEY'),
+    ],
+
+    'resend' => [
+        'key' => env('RESEND_API_KEY'),
+    ],
+
+    'ses' => [
+        'key' => env('AWS_ACCESS_KEY_ID'),
+        'secret' => env('AWS_SECRET_ACCESS_KEY'),
+        'region' => env('AWS_DEFAULT_REGION', 'us-east-1'),
+    ],
+
+    'slack' => [
+        'notifications' => [
+            'bot_user_oauth_token' => env('SLACK_BOT_USER_OAUTH_TOKEN'),
+            'channel' => env('SLACK_BOT_USER_DEFAULT_CHANNEL'),
+        ],
+    ],
+
+];