My Atom config

atom_plugins.sh

#plugins
apm install pigments react autoclose-html emmet sunset file-icons linter linter-eslint linter-stylelint highlight-selected simple-drag-drop-text autocomplete-modules auto-update-packages double-tag prettier-atom

# themes
apm install spacegray-dark-ui spacegray-dark-syntax

keymap.cson

'atom-workspace atom-text-editor:not([mini])':
  'ctrl-d': 'editor:duplicate-lines'
'.platform-win32 atom-text-editor, .platform-linux atom-text-editor':
  'alt-j': 'find-and-replace:select-next'

'atom-workspace, atom-workspace atom-text-editor':
  'ctrl-shift-J': 'markdown-preview:toggle'

'atom-text-editor[data-grammar~="jsx"]:not([mini])':
  'tab': 'emmet:expand-abbreviation-with-tab'
'atom-workspace atom-text-editor:not([mini])':
  'alt-q': 'editor:toggle-line-comments'
  
  'atom-text-editor':
  'ctrl-alt-l': 'atom-beautify:beautify-editor'