No secondary layer suppor

[long-blade]

Describe the ideal solution or feature request

We need a way to be able to add a secondary layer/s to the main one like openSeaMaps

Difficulty, impact, and usage score

Technical difficulty	User goals	Usage frequency
ie. Small, medium, large (filled out after submission)	ie. This is very important, gives users freadom	Daily

How does this tie into our current project?

Describe whether this request is related to an existing workflow, feature, or otherwise something in the product today. Or, does this open us up to new markets and innovative ideas?

If i add the following code to the x-data={} i can see the layer on top of the main

let openSeaMapLayer = leaflet.tileLayer('https://tiles.openseamap.org/seamark/{z}/{x}/{y}.png');
 openSeaMapLayer.addTo(this.map);