chore: fix for deployment (#1970)

* fix for deployment

* fixed gitignore files to match that of the root

* add to gitignore in root

www/reference/package.json

@@ -28,8 +28,8 @@
     "gatsby-plugin-env-variables": "^2.1.0",
     "gatsby-plugin-preact": "^5.9.0",
     "gatsby-plugin-react-helmet": "^3.3.12",
-    "gatsby-plugin-sitemap": "^5.15.0",
     "gatsby-plugin-segment-js": "^3.7.1",
+    "gatsby-plugin-sitemap": "^5.15.0",
     "gatsby-plugin-theme-ui": "^0.10.1",
     "gatsby-remark-autolink-headers": "^4.6.0",
     "gatsby-source-filesystem": "^3.9.0",