Add client apply flow and asset uploads

package.json

@@ -11,10 +11,12 @@
     "smoke": "npm run build && node -e \"require('./dist/shared/store').ensureProjectFiles(); console.log('smoke ok')\""
   },
   "dependencies": {
+    "@types/multer": "^2.1.0",
     "adm-zip": "^0.5.16",
     "ejs": "^3.1.10",
     "express": "^5.1.0",
     "express-session": "^1.18.2",
+    "multer": "^2.1.1",
     "nat-upnp": "^1.1.1"
   },
   "devDependencies": {