Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

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

vendor/laravel/framework/src/Illuminate/Config/composer.json

@@ -0,0 +1,35 @@
+{
+    "name": "illuminate/config",
+    "description": "The Illuminate Config package.",
+    "license": "MIT",
+    "homepage": "https://laravel.com",
+    "support": {
+        "issues": "https://github.com/laravel/framework/issues",
+        "source": "https://github.com/laravel/framework"
+    },
+    "authors": [
+        {
+            "name": "Taylor Otwell",
+            "email": "taylor@laravel.com"
+        }
+    ],
+    "require": {
+        "php": "^8.2",
+        "illuminate/collections": "^12.0",
+        "illuminate/contracts": "^12.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Illuminate\\Config\\": ""
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "12.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "minimum-stability": "dev"
+}