markPoint as component

[SevenOutman]

Is your feature request related to a problem? Please describe.

When using markPoint on series, you have to import echarts/lib/component/markPoint manually.

Describe the solution you'd like

Export <MarkPoint> and embed importing markPoint in it.

import { Line, MarkPoint } from '@rsuite/charts';

<Line name="The value">
  <MarkPoint {...markPointProps} />
</Line>

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

[SevenOutman]

Similar issue exists with toolbox component, as mentioned in #83 (comment).