🐛 Use interval from config instead of hardcoded value

docs/config/README.adoc

@@ -4,7 +4,7 @@ File format used is https://toml.io/en/[toml]. You can specify config file in fi
 
 == Options:
 * `clonedirectory`: Directory where mirror is clone
-* `interval`: Update interval
+* `interval`: Update interval in minute
 * `log`: Log config section
 ** `level`: Log level, allowed value is: "DEBUG", "INFO", "WARN", "ERROR", "FATAL"
 ** `file`: Log file, default (empty) is in stderr

main.go

@@ -40,7 +40,8 @@ func main() {
 
 	git.StartClone(initConfig.RepoList)
 
-	cron.Launch(time.Minute, initConfig.RepoList)
+	duration := time.Duration(initConfig.Interval) * time.Minute
+	cron.Launch(duration, initConfig.RepoList)
 
 	quitSignal := make(chan os.Signal, 1)
 	signal.Notify(quitSignal, syscall.SIGINT, syscall.SIGTERM)