Added

• Enabled cssContainerQuery constructor option from Marpit framework by default (#360)

Changed

• Upgrade Marpit to v2.6.1 (#358)
  • Added cssContainerQuery constructor option
  • Added lang global directive and constructor option
• Slightly changed the color scheme of default theme to match as the current GitHub style (#358)
• Upgrade Node.js and dependent packages to the latest version (#358)