move draw stuff from tone to core + fix getPhase

packages/core/time.mjs

@@ -0,0 +1,13 @@
+console.log('load time.mjs');
+let time;
+export function getTime() {
+  if (!time) {
+    throw new Error('no time set! use setTime to define a time source');
+  }
+  return time();
+}
+
+export function setTime(func) {
+  console.log('setTime!');
+  time = func;
+}