fix version, advertise my other project

Author: erkexzcx

Diff for: README.md

@@ -4,6 +4,8 @@ RoboRock vacuum robot voice generator, using OpenAI ChatGPT for text-lines gener
 
 Project is inspired (and somewhat based on) https://github.com/arner/roborock-glados ideas and instructions.
 
+I highly recommend using this project in combination with my other project, which allows RoboRock vacuum to speak different voice-lines for each command: https://github.com/erkexzcx/rrmultivoice
+
 # Get started
 
 ## 0. Understand cappabilities

Diff for: cmd/rrvoicegen/main.go

@@ -17,7 +17,6 @@ import (
 )
 
 var (
-	//lint:ignore U1000 Ignore will be set by build command
 	version string
 
 	flagCSV  = flag.String("csv", "custom.csv", "Path to CSV file.")
@@ -26,11 +25,18 @@ var (
 	flagPollyEngine = flag.String("polly_engine", "standard", "Polly engine (see https://docs.aws.amazon.com/polly/latest/dg/API_DescribeVoices.html)")
 	flagPollyLang   = flag.String("polly_lang", "en-US", "Polly language (see https://docs.aws.amazon.com/polly/latest/dg/API_DescribeVoices.html)")
 	flagPollyVoice  = flag.String("polly_voice", "Matthew", "Polly voice (see https://docs.aws.amazon.com/polly/latest/dg/voicelist.html)")
+
+	flagVersion = flag.Bool("version", false, "prints version of the application")
 )
 
 func main() {
 	flag.Parse()
 
+	if *flagVersion {
+		fmt.Println("Version:", version)
+		return
+	}
+
 	// Read the entire CSV file into memory
 	data, err := os.ReadFile(*flagCSV)
 	if err != nil {