chore: update examples to Docusaurus 2.4.0 (#8815)

docusaurus.config.js

@@ -71,8 +71,8 @@ const config = {
         },
         items: [
           {
-            type: 'doc',
-            docId: 'intro',
+            type: 'docSidebar',
+            sidebarId: 'tutorialSidebar',
             position: 'left',
             label: 'Tutorial',
           },

package.json

@@ -15,8 +15,8 @@
     "dev": "docusaurus start"
   },
   "dependencies": {
-    "@docusaurus/core": "2.3.1",
-    "@docusaurus/preset-classic": "2.3.1",
+    "@docusaurus/core": "2.4.0",
+    "@docusaurus/preset-classic": "2.4.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "prism-react-renderer": "^1.3.5",
@@ -24,7 +24,7 @@
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "@docusaurus/module-type-aliases": "2.3.1"
+    "@docusaurus/module-type-aliases": "2.4.0"
   },
   "browserslist": {
     "production": [