add getDocBaseUrl that exted default

Signed-off-by: Lorenzo Tanganelli <lorenzo.tanganelli@hotmail.it>

apps/theming/lib/ThemingDefaults.php

@@ -71,6 +71,7 @@ class ThemingDefaults extends \OC_Defaults {
 	private string $productName;
 	private string $url;
 	private string $color;
+	private string $docBaseUrl;
 
 	private string $iTunesAppId;
 	private string $iOSClientUrl;
@@ -120,6 +121,7 @@ class ThemingDefaults extends \OC_Defaults {
 		$this->iOSClientUrl = parent::getiOSClientUrl();
 		$this->AndroidClientUrl = parent::getAndroidClientUrl();
 		$this->FDroidClientUrl = parent::getFDroidClientUrl();
+		$this->docBaseUrl = parent::getDocBaseUrl();
 	}
 
 	public function getName() {
@@ -163,6 +165,10 @@ class ThemingDefaults extends \OC_Defaults {
 		return (string)$this->config->getAppValue('theming', 'privacyUrl', '');
 	}
 
+	public function getDocBaseUrl() {
+		return (string)$this->config->getAppValue('theming', 'docBaseUrl', $this->docBaseUrl);
+	}
+
 	public function getShortFooter() {
 		$slogan = $this->getSlogan();
 		$baseUrl = $this->getBaseUrl();