Fix error dependency with country code https://github.com/JohnCoene/echarts4r/issues/527

Fix e_candle min max inverted https://github.com/JohnCoene/echarts4r/pull/529

Extended functionnality of e_facet https://github.com/JohnCoene/echarts4r/pull/481

Fix broken .build_edges https://github.com/JohnCoene/echarts4r/issues/545

update CI depreciation https://github.com/JohnCoene/echarts4r/issues/540

Update Pkdown docu and examples