budibase/packages/server/appPackages/testApp/pages/main/page.json

{
  "title": "Test App",
  "favicon": "./_shared/favicon.png",
  "stylesheets": [
    "my-styles.css"
  ],
  "componentLibraries": [
    "./customComponents",
    "./moreCustomComponents"
  ],
  "props": {
    "_component": "@budibase/standard-components/div"
  }
}