message: Add some missing labels for the new internal commands
diff: "increaseFontSize": "Increase font size",
  "resetFontSize": "Reset font size",
  "goDown": "Move down",
  - "goUp": "Move up"
  + "goUp": "Move up",
  + "closePane": "Close pane",
  + "horizontalSplit": "Horizontal split",
  + "verticalSplit": "Vertical split"
  }
  }
  \ No newline at end of file
  