Windrose: add server guide link

Author: Greelan

windrose.kvp

@@ -16,7 +16,7 @@ Meta.DockerRequired=False
 Meta.DockerBaseReadOnly=False
 Meta.ContainerPolicy=SupportedOnWindows, RecommendedOnLinux
 Meta.ContainerPolicyReason=The server requires Wine (ideally latest stable from winehq.org) to run on Linux. Using a container avoids the need for you to install this dependency on the host.
-Meta.ExtraSetupStepsURI=
+Meta.ExtraSetupStepsURI=https://discourse.cubecoders.com/docs?topic=39479?utm_source=ampcreate&utm_content=windrose
 Meta.Prerequisites=[]
 Meta.ExtraContainerPackages=[]
 Meta.ConfigReleaseState=NotSpecified