rename machines to connections in config

internal/cli/config/cluster.go

@@ -3,8 +3,8 @@ package config
 import "uncloud/internal/secret"
 
 type Cluster struct {
-	Name     string              `toml:"-"`
-	Machines []MachineConnection `toml:"machines"`
+	Name        string              `toml:"-"`
+	Connections []MachineConnection `toml:"connections"`
 	// UserPrivateKey is the user's WireGuard private key used to connect to cluster machines.
 	UserPrivateKey secret.Secret `toml:"user_private_key"`
 }