Add a link to the appstore page in the installed apps settings categories
Add a link to the appstore page in the installed apps settings categories

Signed-off-by: Felix A. Epp <e274eeff768c6396088ec6eb091f4bf4d47ab1e0@felixepp.de>

michaelletzgus/nextcloud-server,nextcloud/server,michaelletzgus/nextcloud-server,nextcloud/server,nextcloud/server,endsguy/server,endsguy/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,pixelipo/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,pixelipo/server,pixelipo/server,endsguy/server,pixelipo/server,andreas-p/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,pixelipo/server,endsguy/server,endsguy/server