[API] Improve /meta

src/api/endpoints/meta.ts

 /**
  * Module dependencies
  */
+import * as os from 'os';
 import version from '../../version';
 import config from '../../conf';
 
@@ -41,6 +42,9 @@ module.exports = (params) => new Promise(async (res, rej) => {
 	res({
 		maintainer: config.maintainer,
 		version: version,
-		secure: config.https.enable
+		secure: config.https.enable,
+		cpu: {
+			cores: os.cpus().length
+		}
 	});
 });