New group buttons, classes, sub navigation and other stuff

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First update for Proton Design system, here is the changelog:


  • added sub navigation (buttons + IntersectionObserver + scrollIntoView stuff)
  • refactored group buttons
  • added classes is-hover and is-active for buttons
  • added exception for main content without toolbar (main-area--noToolbar)
  • styled buttons in left toolbar (PM, PVPN, burger, etc.)


  • renamed svg sprite
  • updated modal code
  • fixed print version
  • reordered import to have helper working properly on Hx stuff
  • bugfixes


  • added changelog
  • semver project