Wt

The WLeafletMap ought to be extended such that tooltips can be defines.
Tooltips can be both added to marker, as well as to a specific coordinate.

They should be accessible through WLeafletMap::addTooltip() and Marker::addTooltip().

The popup is able to take in options, which should be configurable with Tooltip::setOptions().

P.S. A base LeafletMapItem that defines the base options can be created, taking in common options from Layer, Interactive Layer.
P.S. A base LeafletMapTextItem : LeafletMapItem that defines the base options can be created, taking in common options from DivOverlay