chore: update setup script to use pkgmgrx

Author: kentcdodds

epicshop/setup.js

@@ -38,7 +38,7 @@
     "start": "pkgmgrx --prefix ./epicshop epicshop start",
     "dev": "pkgmgrx --prefix ./epicshop epicshop start",
     "test": "pkgmgr run test --silent --prefix playground",
-    "setup": "node ./setup.js",
+    "setup": "pkgmgrx epicshop setup",
     "setup:custom": "node ./epicshop/setup-custom.js",
     "lint": "eslint .",
     "format": "prettier --write .",