Documentation: add note about multiwidget with k8s

docs/configs/services.md

@@ -97,6 +97,10 @@ Each service can have multiple widgets attached to it, for example:
         slug: statuspageslug
 ```
 
+!!! note
+
+      Multiple widgets per service are not yet supported with Kubernetes ingress annotations.
+
 #### Field Visibility
 
 Each widget can optionally provide a list of which fields should be visible via the `fields` widget property. If no fields are specified, then all fields will be displayed. The `fields` property must be a valid YAML array of strings. As an example, here is the entry for Sonarr showing only a couple of fields.
@@ -178,6 +182,10 @@ To use a local icon, first create a Docker mount to `/app/public/icons` and then
 
 Services may have an optional `ping` property that allows you to monitor the availability of an external host. As of v0.8.0, the ping feature attempts to use a true (ICMP) ping command on the underlying host. Currently, only IPv4 is supported.
 
+!!! note
+
+      Because ping uses the ping command on the underlying host, in some cases you may need to install e.g. the `iputils-ping` package on the host system.
+
 ```yaml
 - Group A:
     - Sonarr: