* master: (41 commits)
  New Crowdin updates (lichess-org#14372)
  import new flairs from lichess spreadshop (lichess-org#14345)
  simplify challenge sent page view and css
  tweak perf chart tooltip date format
  Removed spinner from correspondence challenges
  refactor code duplication
  New Crowdin updates (lichess-org#14318)
  proxy without auth
  undo change to generated dest file
  simplify christmasTree logic
  forgot to add resizepolyfill. lag chart tweaks
  scalachess 15.7.5 fix brilliant typo
  fix types
  await both css and js
  use loadEsm
  load css from node_modules
  Upgrade and refactor shepherd.js
  fix logging
  customize ws host from debug url
  only show applicable time selector buttons
  ...