export common zoomdata option for 2 charts

@pissang @LonHon @deqingli @100pah I am happy to see your echarts graph and functionality , Its making more happy to work on this,you guys are did awesome work on Graph area, Right now i am planning to do zoomdata outline part function we can make it as common for 2 charts need to bind the data in a single slider ,if i change the zoomdata slider it should reflect in my 2 charts with contains same data. Its just like a Dashboard ,My eharts version 4.2.0-rc.2 i am using in Npm package with angular 6 application fo this case, Could you anyone tell me how to Do this in Echarts,we can make the zoomdata function in external usage from the echarts.