docs: 更新官网 S2 版本 & 优化文档 · antvis/S2@a8a47fb

'createPivotSheet' is defined but never used

's2' is already declared in the upper scope

's2' is already declared in the upper scope

's2' is already declared in the upper scope

'colNode' is already declared in the upper scope

'rowNode' is already declared in the upper scope

'icon' is assigned a value but never used

'rowCfg' is assigned a value but never used

'sortMethod' is already declared in the upper scope

'sortFieldId' is already declared in the upper scope

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