feat: update README and docker-compose for Kuma monitoring configuration

bot.go

@@ -55,11 +55,11 @@ func main() {
 	}
 
 	// Start Kuma push monitor if configured
-	kumaPushURL := os.Getenv("Kuma-Push-Url")
-	if kumaPushURL != "" {
-		intervalStr := os.Getenv("Kuma-Push-Interval")
+	kumaPushURL, ok := os.LookupEnv("KUMA_PUSH_URL")
+	if ok {
+		intervalStr, ok := os.LookupEnv("KUMA_PUSH_INTERVAL")
 		interval := 60 // default to 60 seconds
-		if intervalStr != "" {
+		if ok && intervalStr != "" {
 			if parsed, err := strconv.Atoi(intervalStr); err == nil && parsed > 0 {
 				interval = parsed
 			}