feat(application): register new setup checks

Registers all six setup check classes in Application.php.

Related issue: #6590
Type: Feature

Checklist:
- [x] Add registerSetupCheck for JavaSetupCheck
- [x] Add registerSetupCheck for JSignPdfSetupCheck
- [x] Add registerSetupCheck for PDFtkSetupCheck
- [x] Add registerSetupCheck for PopplerSetupCheck
- [x] Add registerSetupCheck for ImagickSetupCheck
- [x] Add registerSetupCheck for CertificateEngineSetupCheck

Author: guilhermercarvalho

lib/AppInfo/Application.php

@@ -94,5 +94,14 @@ public function register(IRegistrationContext $context): void {
 		$context->registerEventListener(UserDeletedEvent::class, UserDeletedListener::class);
 
 		$context->registerDashboardWidget(PendingSignaturesWidget::class);
+
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\JavaSetupCheck::class);
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\JSignPdfSetupCheck::class);
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\PDFtkSetupCheck::class);
+
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\PopplerSetupCheck::class);
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\ImagickSetupCheck::class);
+
+		$context->registerSetupCheck(\OCA\Libresign\SetupCheck\CertificateEngineSetupCheck::class);
 	}
 }