Fix the dangling promises

packages/playground/src/shared/image/index.tsx

@@ -53,7 +53,7 @@ const ImageTypeExample: React.FC<{}> = (props) => {
       onClick={() => {
         if (sheet.sequence.position === 0) {
           sheet.sequence.position = 0
-          sheet.sequence.play()
+          void sheet.sequence.play()
         } else {
           sheet.sequence.position = 0
         }
@@ -64,6 +64,10 @@ const ImageTypeExample: React.FC<{}> = (props) => {
   )
 }
 
-project.ready.then(() => {
-  render(<ImageTypeExample />, document.getElementById('root'))
-})
+project.ready
+  .then(() => {
+    render(<ImageTypeExample />, document.getElementById('root'))
+  })
+  .catch((err) => {
+    console.error(err)
+  })

packages/playground/src/shared/notifications/index.tsx

@@ -7,7 +7,7 @@ import {Scene} from './Scene'
 studio.initialize()
 
 // trigger warning notification
-getProject('Sample project').sheet('Scene').sequence.play()
+void getProject('Sample project').sheet('Scene').sequence.play()
 
 // fire an info notification
 notify.info(
@@ -16,7 +16,7 @@ notify.info(
     '(and all others) at the start of index.tsx. You can also see examples of success and warnign notifications.',
 )
 
-getProject('Sample project').ready.then(() => {
+void getProject('Sample project').ready.then(() => {
   // fire a success notification on project load
   notify.success(
     'Project loaded!',

packages/playground/src/shared/theatric/index.tsx

@@ -3,7 +3,7 @@ import {render} from 'react-dom'
 import React, {useState} from 'react'
 import state from './state.json'
 
-initialize({state})
+void initialize({state})
 
 function SomeComponent({id}: {id: string}) {
   const {foo, $get, $set} = useControls(