feat(ins): add information to vmware migration documentation

Author: bene2k1

pages/instances/reference-content/migrating-vms-vmware-scaleway.mdx

@@ -26,7 +26,8 @@ Identify the virtual machines (VMs) to migrate on your VMware platform:
 
 - Disk configuration (number, size, type)
   <Message type="tip">
-    If multiple disks are present, repeat the same steps to create several snapshots and group them as a single Scaleway image.
+    If multiple disks are present, follow the same steps to create individual snapshots and then combine them into a single Scaleway image.
+    For more detailed instructions on creating an image from multiple volumes, refer to the tutorial [How to create an image from a snapshot](/instances/how-to/create-image-from-snapshot/).
   </Message>
 - Network configuration (number of NICs, type)
   <Message type="tip">