"editor.cursorSurroundingLines": 3, 光标周围行数 设置光标在第几行的时候滚动页面滚动条

总设置，总忘，还是记录一下好了

Editor: Cursor Surrounding Lines
Controls the minimal number of visible leading lines (minimum 0) and trailing lines (minimum 1) surrounding the cursor. Known as 'scrollOff' or 'scrollOffset' in some other editors.
编辑器：光标周围行数
控制光标周围可见的前导行数（最小为0）和尾随行数（最小为1）。在其他一些编辑器中被称为“scrollOff”或“scrollOffset”。