leaflet.extras2 1.3.0

• Included LayerGroup.Collision plugin
• Included LayerGroup.Conditional plugin
• Included OSM Buildings plugin
• New Function addDivicon adds DivIcon markers to Leaflet maps with support for custom HTML and CSS classes. See the example in ./inst/examples/divicons_html_app.R
• Added addClusterCharts to enable pie and bar charts in Marker clusters using Leaflet.markercluster, d3 and L.DivIcon, with support for customizable category styling and various aggregation methods like sum, min, max, mean, and median.
• The opened sidebar tab is returned as Shiny input using the sidebar_tabs ID. #67
• allow ... in antpathOptions to be able to set the pane (e.g.: renderer= JS('L.svg({pane: "my-pane"})'))
• Switched from geojsonsf to yyjsonr (heightgraph, timeslider, clustercharts)
• Fix for roxygen2 > 7.0.0. #1491