default play to 0.11.x (#38)

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## 💸 TL;DR
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Defaults the playground to use UIRequest (0.11.x) architecture.

## 📜 Details
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## ✅ Checks
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Author: mwood23

src/examples/clock.example.tsx

@@ -1,4 +1,4 @@
-import {Devvit} from '@devvit/public-api'
+import {Devvit, useState, useInterval} from '@devvit/public-api'
 
 function getCurrentTime() {
   const now = new Date()
@@ -10,10 +10,10 @@ function getCurrentTime() {
 
 Devvit.addCustomPostType({
   name: 'Clock',
-  render: context => {
-    const [time, setTime] = context.useState(() => getCurrentTime())
+  render: () => {
+    const [time, setTime] = useState(() => getCurrentTime())
     const tick = () => setTime(() => getCurrentTime())
-    context.useInterval(tick, 1000).start()
+    useInterval(tick, 1000).start()
 
     return (
       <vstack alignment='center middle' height='100%'>

src/examples/hello-blocks.example.tsx

@@ -1,9 +1,9 @@
-import {Devvit} from '@devvit/public-api'
+import {Devvit, useState} from '@devvit/public-api'
 
 Devvit.addCustomPostType({
   name: 'Say Hello',
-  render: context => {
-    const [counter, setCounter] = context.useState(0)
+  render: () => {
+    const [counter, setCounter] = useState(0)
     return (
       <vstack alignment='center middle' height='100%' gap='large'>
         <text size='xxlarge' weight='bold'>

src/examples/polls.example.tsx

@@ -1,4 +1,4 @@
-import {Devvit} from '@devvit/public-api'
+import {Devvit, useState} from '@devvit/public-api'
 
 type Tally = [option: string, votes: number]
 const tallies: readonly Tally[] = [
@@ -52,9 +52,9 @@ const Footer = (props: {children?: Devvit.ElementChildren}) => (
 Devvit.addCustomPostType({
   name: 'Polls Example',
   height: 'tall',
-  render: context => {
-    const [selection, setSelection] = context.useState('')
-    const [hasVoted, setHasVoted] = context.useState(false)
+  render: () => {
+    const [selection, setSelection] = useState('')
+    const [hasVoted, setHasVoted] = useState(false)
 
     const VotingScreen = (
       <vstack padding='medium' alignment='start' gap='medium' grow>

src/examples/progress-bar.example.tsx

@@ -1,9 +1,9 @@
-import {Devvit} from '@devvit/public-api'
+import {Devvit, useState} from '@devvit/public-api'
 
 Devvit.addCustomPostType({
   name: 'Progress bar example',
-  render: context => {
-    const [progress, setProgress] = context.useState(30)
+  render: () => {
+    const [progress, setProgress] = useState(30)
     return (
       <vstack
         alignment='center middle'

src/storage/settings-save.ts

@@ -40,7 +40,7 @@ export const defaultSettings: Readonly<SettingsSave> = {
   useLocalRuntime: true,
   useRemoteRuntime: false,
   useSpeculativeExecution: false,
-  useUIRequest: false,
+  useUIRequest: true,
   enableLocalAssets: false,
   assetsFilesystemType: 'virtual',
   version: 1