add basic authentication with user, password and api key

public/index.php

@@ -82,7 +82,7 @@ if (strpos($request->path(), '/api/') === 0) {
         $authenticator->authenticate($request);
     } catch (\Throwable $e) {
         $logger->warning('External API auth failed', ['path' => $request->path(), 'error' => $e->getMessage()]);
-        $response->json(['error' => 'Unauthorized'], 401);
+        $response->unauthorized();
     }
 }