allow adding a raw key

cmd/dkl-local-server/state.go

@@ -24,6 +24,7 @@ type State struct {
 	Store struct {
 		DownloadToken string
 		KeyNames      []string
+		Salt          []byte
 	}
 
 	Clusters []ClusterState
@@ -157,6 +158,7 @@ func updateState() {
 	wState.Change(func(v *State) {
 		v.HasConfig = true
 		v.Store.KeyNames = keyNames
+		v.Store.Salt = secStore.Salt[:]
 		v.Clusters = clusters
 		v.Hosts = hosts
 		v.HostTemplates = hostTemplates