Fix printing for non-admin

printers and printfile method of SkyprintController were only accessible by server admins. Now fixed to be accessible for all users.

Restriction to adminsor other groups can be made in nextcloud app settings.

appinfo/info.xml

@@ -9,7 +9,7 @@
     <name>SkyPrint</name>
     <summary>Print documents directly from your cloud-storage</summary>
     <description><![CDATA[A straightforward app enabling users to easily print documents directly from your cloud storage. With Sky Print, you can adjust a variety of print settings, such as paper size, orientation and quality.]]></description>
-    <version>0.1.1</version>
+    <version>0.1.2</version>
     <licence>agpl</licence>
     <author mail="[email protected]">Christian Gessinger</author>
     <website>https://github.com/CGessinger/nextcloud-skyprint</website>

lib/Controller/SkyprintController.php

@@ -15,13 +15,19 @@ public function __construct($appName, IRequest $request, PrintService $printServ
         $this->printService = $printService;
     }
 
+	/**
+	 * @NoAdminRequired
+	 */
     public function printfile(string $printer, string $file, int $copies, string $orientation, string $media, string $range, int $nup)
     {
         return new JSONResponse(
             $this->printService->print($printer, $file, $copies, $orientation, $media, $range, $nup)
         );
     }
 
+	/**
+	 * @NoAdminRequired
+	 */
     public function printers()
     {
         return new JSONResponse(