Fix gh-pages example for windows user (#35169)

Windows users cannot use the `rm` and `touch` commands. So I replaced it with `rimraf` and `touch` package.

Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>

examples/gh-pages/package.json

@@ -5,14 +5,16 @@
     "build": "next build",
     "start": "next start",
     "export": "next export",
-    "deploy": "rm -rf node_modules/.cache && next build && next export && touch out/.nojekyll && git add out/ && git commit -m \"Deploy Next.js to gh-pages\" && git subtree push --prefix out origin gh-pages"
+    "deploy": "rimraf node_modules/.cache && next build && next export && nodetouch out/.nojekyll && git add out/ && git commit -m \"Deploy Next.js to gh-pages\" && git subtree push --prefix out origin gh-pages"
   },
   "dependencies": {
     "next": "latest",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "babel-plugin-transform-define": "^1.3.0"
+    "babel-plugin-transform-define": "^1.3.0",
+    "rimraf": "^3.0.2",
+    "touch": "^3.1.0"
   }
 }