First steps for auth

.env.example

@@ -16,4 +16,15 @@ PUID=1000
 PGID=1000
 
 # Optional: Sets the default file permissions for newly created files within the container.
-UMASK=0022
+UMASK=0022
+
+# Auth
+ENABLE_AUTH=true
+
+# JWT Configuration
+JWT_SECRET=your-super-secret-jwt-key-change-in-production
+JWT_EXPIRATION_HOURS=24
+
+# Default Admin User (created automatically if no users exist)
+DEFAULT_ADMIN_USERNAME=admin
+DEFAULT_ADMIN_PASSWORD=admin123