[CR] add server,ip etc write to influxdb

[xinmans]

i want to add more muliti segments like below server info，but now only support 2 segments， will support？

"server":{"id":3633,"name":"ChinaTelecom","location":"Shanghai","country":"China","host":"speedtest1.online.sh.cn","port":8080,"ip":"101.95.48.41"}`

/usr/src/app # /usr/bin/speedtest -f json
{"type":"result","timestamp":"2022-02-07T12:27:35Z","ping":{"jitter":0.14999999999999999,"latency":10.974},"download":{"bandwidth":115106257,"bytes":1397939096,"elapsed":12711},"upload":{"bandwidth":4362655,"bytes":60270168,"elapsed":12409},"isp":"China Telecom","interface":{"internalIp":"172.19.0.4","name":"eth0","macAddr":"02:42:AC:13:00:04","isVpn":false,"externalIp":"115.193.174.195"},"server":{"id":3633,"name":"China Telecom","location":"Shanghai","country":"China","host":"speedtest1.online.sh.cn","port":8080,"ip":"101.95.48.41"},"result":{"id":"ab44b5d4-2a04-43a7-912a-b77cee852890","url":"https://www.speedtest.net/result/c/ab44b5d4-2a04-43a7-912a-b77cee852890"}}
/usr/src/app # 

const getSpeedMetrics = async () => {
const args = (process.env.SPEEDTEST_SERVER) ?
[ "--accept-license", "--accept-gdpr", "-f", "json", "--server-id=" + process.env.SPEEDTEST_SERVER] :
[ "--accept-license", "--accept-gdpr", "-f", "json" ];

const { stdout } = await execa("speedtest", args);
const result = JSON.parse(stdout);
return {
upload: bitToMbps(result.upload.bandwidth),
download: bitToMbps(result.download.bandwidth),
server: result.server.name,
serverip: result.server.ip,
isp: result.isp,
ping: result.ping.latency
};
};