add nanoleaf service

internal/formattools/asterisks.go

@@ -0,0 +1,11 @@
+package formattools
+
+const firmament = "****************..."
+
+func Asterisks(s string) string {
+	if len(s) < 16 {
+		return firmament[:len(s)]
+	} else {
+		return firmament
+	}
+}