Revert ItemRenderer removal (#847)

* Revert "Remove ItemRenderer and ProvideKeypad (#833)"

This reverts commit 3cf5ac4.

* changeset

.changeset/calm-donuts-cover.md

@@ -0,0 +1,5 @@
+---
+"@khanacademy/perseus": major
+---
+
+Add back ItemRenderer temporarily

packages/perseus/src/__stories__/item-renderer.stories.tsx

@@ -0,0 +1,30 @@
+import * as React from "react";
+
+import {ItemRendererWithDebugUI} from "../../../../testing/item-renderer-with-debug-ui";
+import {
+    itemWithInput,
+    labelImageItem,
+    codeblockItem,
+} from "../__testdata__/item-renderer.testdata";
+
+type StoryArgs = Record<any, any>;
+
+type Story = {
+    title: string;
+};
+
+export default {
+    title: "Perseus/Renderers/Item Renderer",
+} as Story;
+
+export const InputNumberItem = (args: StoryArgs): React.ReactElement => {
+    return <ItemRendererWithDebugUI item={itemWithInput} />;
+};
+
+export const LabelImageItem = (args: StoryArgs): React.ReactElement => {
+    return <ItemRendererWithDebugUI item={labelImageItem} />;
+};
+
+export const CodeblockItem = (args: StoryArgs): React.ReactElement => {
+    return <ItemRendererWithDebugUI item={codeblockItem} />;
+};

packages/perseus/src/__stories__/server-item-renderer.stories.tsx

@@ -4,7 +4,7 @@ import {ServerItemRendererWithDebugUI} from "../../../../testing/server-item-ren
 import {
     itemWithInput,
     labelImageItem,
-} from "../__testdata__/server-item-renderer.testdata";
+} from "../__testdata__/item-renderer.testdata";
 
 type StoryArgs = Record<any, any>;