Add return phpdocs to general info controller.

Author: nickygerritsen

phpstan-baseline.neon

@@ -1,15 +1,5 @@
 parameters:
 	ignoreErrors:
-		-
-			message: "#^Method App\\\\Controller\\\\API\\\\GeneralInfoController\\:\\:getDatabaseConfigurationAction\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/API/GeneralInfoController.php
-
-		-
-			message: "#^Method App\\\\Controller\\\\API\\\\GeneralInfoController\\:\\:updateConfigurationAction\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/API/GeneralInfoController.php
-
 		-
 			message: "#^Method App\\\\Controller\\\\API\\\\JudgehostController\\:\\:checkVersions\\(\\) return type has no value type specified in iterable type array\\.$#"
 			count: 1

webapp/src/Controller/API/GeneralInfoController.php

@@ -163,6 +163,8 @@ public function getUserAction(): User
 
     /**
      * Get configuration variables.
+     *
+     * @return array<string, bool|int|string|array<string, string>>
      */
     #[Rest\Get('/config')]
     #[OA\Response(
@@ -202,6 +204,8 @@ public function getDatabaseConfigurationAction(
 
     /**
      * Update configuration variables.
+     * @return JsonResponse|array<string, bool|int|array<string, string>|string>
+     *
      * @throws NonUniqueResultException
      */
     #[IsGranted('ROLE_ADMIN')]