docs: add maplibre-gl-teritorio-cluster plugin (#124)

Author: wazolab

README.md

@@ -199,6 +199,7 @@ are designated with a ✅, and hosted projects with a 💙.
 - [maplibre-gleo](https://gitlab.com/IvanSanchez/maplibre-gleo) - Adds symbols using the "gleo" WebGL map rendering library.
 - [maplibre-contourmap](https://github.com/AbelVM/maplibre-contourmap) - Renders contour lines from vector sources in MapLibre GL JS. [demo](https://abelvm.github.io/maplibre-contourmap/example/)
 - [maplibre-three-plugin](https://github.com/dvt3d/maplibre-three-plugin) - A bridge plugin that cleverly connects MapLibre GL JS with Three.js, enabling developers to implement 3D rendering and animation on maps.
+- [maplibre-gl-teritorio-cluster](https://github.com/teritorio/maplibre-gl-teritorio-cluster) - Clustering plugin implementing a MapLibre GL Layer with configurable HTML clustering renderer and support of events.
 
 ## Layer Types Plugins