Update styles, add marketplace components, and enhance drag-and-drop functionality

app/package.json

@@ -3,6 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
+    "@dnd-kit/core": "^6.3.1",
+    "@dnd-kit/sortable": "^10.0.0",
     "@react-three/csg": "^3.2.0",
     "@react-three/drei": "^9.113.0",
     "@react-three/fiber": "^8.17.7",
@@ -65,6 +67,7 @@
   "devDependencies": {
     "@types/node": "^22.9.1",
     "@types/three": "^0.169.0",
+    "axios": "^1.8.4",
     "cypress": "^13.14.2",
     "dotenv": "^16.4.5",
     "husky": "^9.1.6",