chore: update setup script to use pkgmgrx

Author: kentcdodds

epicshop/setup.js

@@ -35,7 +35,7 @@
     "postinstall": "cd ./epicshop && pkgmgr install",
     "start": "pkgmgrx --prefix ./epicshop epicshop start",
     "dev": "pkgmgrx --prefix ./epicshop epicshop start",
-    "setup": "node ./epicshop/setup.js",
+    "setup": "pkgmgrx epicshop setup",
     "setup:custom": "node ./epicshop/setup-custom.js",
     "build": "cd ./playground && npm run build",
     "preview": "cd ./playground && npm run preview",