feat(dns): import dns zone using file path (#2754)

Co-authored-by: Rémy Léone <[email protected]>

Author: Mia-Cross

cmd/scw/testdata/test-all-usage-dns-zone-import-usage.golden

@@ -8,7 +8,7 @@ USAGE:
 ARGS:
   dns-zone                           The DNS zone to import
   [project-id]                       Project ID to use. If none is passed the default project ID will be used
-  [bind-source.content]              
+  [bind-source.content]               (Support file loading with @/path/to/file)
   [axfr-source.name-server]          
   [axfr-source.tsig-key.name]        
   [axfr-source.tsig-key.key]         

internal/namespaces/domain/v2beta1/custom.go

@@ -25,6 +25,8 @@ func GetCommands() *core.Commands {
 		dnsRecordDeleteCommand(),
 	))
 
+	cmds.MustFind("dns", "zone", "import").ArgSpecs.GetByName("bind-source.content").CanLoadFile = true
+
 	human.RegisterMarshalerFunc(domain.DNSZoneStatus(""), human.EnumMarshalFunc(zoneStatusMarshalSpecs))
 	human.RegisterMarshalerFunc(domain.SSLCertificateStatus(""), human.EnumMarshalFunc(certificateStatusMarshalSpecs))
 	return cmds