feat: Introduce runtime configuration for domain and enhance S3 storage settings with public base URL and Contabo support.

src/app/api/auth/register/route.ts

@@ -15,6 +15,7 @@ const registerSchema = z.object({
     // S3-compatible storage credentials
     storageProvider: z.string().min(1),
     storageEndpoint: z.string().nullable().optional(),
+    storagePublicBaseUrl: z.string().nullable().optional(),
     storageRegion: z.string().min(1),
     storageBucket: z.string().min(1),
     storageAccessKey: z.string().min(10),
@@ -71,6 +72,7 @@ export async function POST(request: Request) {
             data.displayName,
             data.storageProvider,
             data.storageEndpoint || null,
+            data.storagePublicBaseUrl || null,
             data.storageRegion,
             data.storageBucket,
             data.storageAccessKey,