@frontity/mars-theme to start with.packages/mars-theme. Each time you save a change the browser will automatically reload and display the new version as these changes are detected by the development server.state.source.url property in the frontity.settings.js file.state.source.url is set to https://test.frontity.org/ (a demo WordPress site) but you can set this property to any valid URL pointing to a WordPress site.state.source.url should be sufficient for most WordPress.org installations and WordPress.com plans. For specific use cases check the guide Setting the URL of the WordPress data source.Your site athttp://localhost:3000won't auto-update with this change as auto-updates only occur with changes to files in the packages directory, so you will need to manually refresh the page in your browser.