Add in webpack

Author: timkim

package.json

@@ -15,7 +15,9 @@
     "@adobe/gatsby-theme-aio": "^4.14.4",
     "gatsby": "4.22.0",
     "react": "^17.0.2",
-    "react-dom": "^17.0.2"
+    "react-dom": "^17.0.2",
+    "webpack": "^5.91.0",
+    "webpack-cli": "^5.1.4"
   },
   "resolutions": {
     "sharp": "0.33.0",