about page content + integrate mdx

package.json

@@ -38,6 +38,7 @@
     "@babel/preset-env": "^7.29.0",
     "@babel/preset-react": "^7.28.5",
     "@babel/preset-typescript": "^7.28.5",
+    "@mdx-js/loader": "^3.1.1",
     "@pmmmwh/react-refresh-webpack-plugin": "^0.6.2",
     "@svgr/webpack": "^8.1.0",
     "@testing-library/dom": "^10.4.1",
@@ -45,6 +46,7 @@
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",
     "@types/jest": "^30.0.0",
+    "@types/mdx": "^2.0.13",
     "@types/node": "^25.3.3",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
@@ -71,7 +73,8 @@
     "typescript": "^5.9.3",
     "webpack": "^5.105.4",
     "webpack-cli": "^6.0.1",
-    "webpack-dev-server": "^5.2.3"
+    "webpack-dev-server": "^5.2.3",
+    "webpack-manifest-plugin": "^6.0.1"
   },
   "babel": {
     "presets": [