check conection function

suspend fun checkConnectivity(connectivityManager: ConnectivityManager): Boolean {
    val network: Network? = connectivityManager.activeNetwork
    val capabilities: NetworkCapabilities? = connectivityManager.getNetworkCapabilities(network)
    return capabilities != null && (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
            || capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR))
}