Small sample fix

Author: MichalCz

samples/system-info/index.js

@@ -1,12 +1,13 @@
 const os = require("os");
 
-module.exports = async function*(_timeout) {
+module.exports = async function*(input, _timeout) {
     const timeout = +_timeout || 1000;
     console.log({timeout});
 
     while (true) {
         const next = new Promise(res => setTimeout(res, timeout));
         yield {
+            type: "basic",
             ts: Date.now(),
             mem: os.freemem()
         }