feat(create-medusa-app,medusa-cli): Allow clearing project (#4273)

- Added build step
- Added `--no-boilerplate` option to `create-medusa-app` to allow clearing onboarding files
- Clear project files by default in medusa-cli

packages/medusa-cli/package.json

@@ -45,6 +45,7 @@
     "execa": "^5.1.1",
     "fs-exists-cached": "^1.0.0",
     "fs-extra": "^10.0.0",
+    "glob": "^10.2.7",
     "hosted-git-info": "^4.0.2",
     "inquirer": "^8.0.0",
     "is-valid-path": "^0.1.1",