add operating system

lbrynet-cli version
{
  "build": "rc",
  "lbrynet_version": "0.20.0rc14",
  "lbryschema_version": "0.0.16rc2",
  "lbryum_version": "3.2.2rc1",
  "os_release": "10",
  "os_system": "Windows",
  "platform": "Windows-10-10.0.17134",
  "processor": "Intel64 Family 6 Model 158 Stepping 9, GenuineIntel",
  "python_version": "2.7.15"
}

src/renderer/redux/actions/user.js

@@ -43,6 +43,7 @@ export function doInstallNew() {
       payload.app_id = status.installation_id;
       Lbry.version().then(version => {
         payload.daemon_version = version.lbrynet_version;
+        payload.operating_system = version.os_system;
         payload.platform = version.platform;
         Lbryio.call('install', 'new', payload);
       });