Atom Settings, 2019 & 2020

keymap.cson

'atom-workspace':
  'cmd-ctrl-w': 'tabs:close-all-tabs'
'atom-workspace atom-text-editor:not([mini])':
  'alt-cmd-[': 'editor:auto-indent'
  'alt-cmd-w': 'editor:toggle-soft-wrap'
'atom-text-editor:not([mini])':
  'ctrl-shift-M': 'markdown-preview:toggle'

# Emmet
'atom-text-editor[data-grammar="source js jsx"]:not([mini])':
  'tab': 'emmet:expand-abbreviation-with-tab'
'atom-text-editor[data-grammar="text html django"]:not([mini])':
  'tab': 'emmet:expand-abbreviation-with-tab'

# Use Bookmark keybindings inspired by VSCode’s
'atom-text-editor':
  'alt-cmd-m': 'bookmarks:toggle-bookmark'
  'alt-cmd-j': 'bookmarks:jump-to-next-bookmark'
  'alt-cmd-k': 'bookmarks:jump-to-previous-bookmark'