feat(capabilities): expose show_confetti_after_signing as show-confetti capability

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

lib/Capabilities.php

@@ -8,11 +8,13 @@
 
 namespace OCA\Libresign;
 
+use OCA\Libresign\AppInfo\Application;
 use OCA\Libresign\Service\Envelope\EnvelopeService;
 use OCA\Libresign\Service\SignatureTextService;
 use OCA\Libresign\Service\SignerElementsService;
 use OCP\App\IAppManager;
 use OCP\Capabilities\IPublicCapability;
+use OCP\IAppConfig;
 
 /**
  * @psalm-import-type LibresignCapabilities from ResponseDefinitions
@@ -27,6 +29,7 @@ public function __construct(
 		protected SignatureTextService $signatureTextService,
 		protected IAppManager $appManager,
 		protected EnvelopeService $envelopeService,
+		protected IAppConfig $appConfig,
 	) {
 	}
 
@@ -40,6 +43,7 @@ public function getCapabilities(): array {
 		$capabilities = [
 			'features' => self::FEATURES,
 			'config' => [
+				'show-confetti' => $this->appConfig->getValueBool(Application::APP_ID, 'show_confetti_after_signing', true),
 				'sign-elements' => [
 					'is-available' => $this->signerElementsService->isSignElementsAvailable(),
 					'can-create-signature' => $this->signerElementsService->canCreateSignature(),