can now set latency on the scheduler

packages/webaudio/scheduler.mjs

@@ -10,11 +10,11 @@ import { State, TimeSpan } from '@strudel.cycles/core';
 export class Scheduler {
   worker;
   pattern;
-  constructor({ audioContext, interval = 0.2, onEvent }) {
+  constructor({ audioContext, interval = 0.2, onEvent, latency = 0.2 }) {
     this.worker = new ClockWorker(
       audioContext,
       (begin, end) => {
-        this.pattern.query(new State(new TimeSpan(begin, end))).forEach((e) => {
+        this.pattern.query(new State(new TimeSpan(begin + latency, end + latency))).forEach((e) => {
           if (!e.part.begin.equals(e.whole.begin)) {
             return;
           }