Add notes about the branding system setting (#623)

Relates to: harvester/harvester#6331

Signed-off-by: Volker Theile <vtheile@suse.com>

docs/advanced/settings.md

@@ -618,6 +618,12 @@ When the node becomes unavailable or is powered off, the VM only restarts and do
 
 **Default value**: **Harvester**
 
+:::caution
+
+Because this setting is part of the `settings.management.cattle.io` custom resource, you cannot configure any of the supported options (for example, `Logo` and `Primary Color` using a [Harvester configuration](../install/harvester-configuration.md#system_settings) file.
+
+:::
+
 ![containerd-registry](/img/v1.2/advanced/branding.png)
 
 **Supported options and values**:

versioned_docs/version-v1.2/advanced/settings.md

@@ -515,6 +515,12 @@ This setting allows you to globally re-brand the UI by customizing the Harvester
 
 Default: **Harvester**
 
+:::caution
+
+Because this setting is part of the `settings.management.cattle.io` custom resource, you cannot configure any of the supported options (for example, `Logo` and `Primary Color` using a [Harvester configuration](../install/harvester-configuration.md#system_settings) file.
+
+:::
+
 ![containerd-registry](/img/v1.2/advanced/branding.png)
 
 You can set the following options and values:

versioned_docs/version-v1.3/advanced/settings.md

@@ -562,6 +562,12 @@ When the node becomes unavailable or is powered off, the VM only restarts and do
 
 **Default value**: **Harvester**
 
+:::caution
+
+Because this setting is part of the `settings.management.cattle.io` custom resource, you cannot configure any of the supported options (for example, `Logo` and `Primary Color` using a [Harvester configuration](../install/harvester-configuration.md#system_settings) file.
+
+:::
+
 ![containerd-registry](/img/v1.2/advanced/branding.png)
 
 **Supported options and values**: