message: Change Move Statements keybinding on Windows / Linux
  Fixes
diff: },
  {
  "command": "abracadabra.moveStatementDown",
  - "key": "ctrl+shift+down",
  + "key": "ctrl+alt+shift+down",
  "mac": "cmd+shift+down",
  "when": "editorTextFocus"
  },
  {
  "command": "abracadabra.moveStatementUp",
  - "key": "ctrl+shift+up",
  + "key": "ctrl+alt+shift+up",
  "mac": "cmd+shift+up",
  "when": "editorTextFocus"
  }
  