Add text output for signing

Signed-off-by: frenchben <me+git@frenchben.com>

cmd/helm/package.go

@@ -104,7 +104,11 @@ func newPackageCmd(out io.Writer) *cobra.Command {
 				if err != nil {
 					return err
 				}
-				fmt.Fprintf(out, "Successfully packaged chart and saved it to: %s\n", p)
+				signedComment := ""
+				if client.Sign {
+					signedComment = "+signed"
+				}
+				fmt.Fprintf(out, "Successfully packaged%s chart, and saved it to: %s\n", signedComment, p)
 			}
 			return nil
 		},