Plugin Tasks

• README: Tour Operator plugin - readme.txt and readme.md content updates  #357
• Coding Standards: Bump wpackagist-plugin/wordpress-seo from 15.0 to 15.1 #149
• Changelog: Tour Operator plugin - version 2.1.0 changelog updates #359
• WP.org Banners: Update the Tour Operator Plugin Banner & Icon graphics on WordPress.org #351
• Plugin Headers: Tour Operator Plugin Header updates #369
• Screenshots: Create new plugin screenshots for WordPress.org #386
• Add design system readme if and hire us banner to readme.md

List of requirements - https://developer.wordpress.org/plugins/wordpress-org/detailed-plugin-guidelines/