chore: initialize data architecture improvement documentation with js-yaml dependency

Author: IrvanFza

package-lock.json

@@ -22,5 +22,8 @@
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "tailwindcss": "^4.2.2"
+  },
+  "devDependencies": {
+    "js-yaml": "^4.1.1"
   }
 }