Load a json file that describe a tileset in Tile format.

Then add it to the tilemap of the GameScene
Then add if to the GameMap

maps/tests/LoadTileset/scriptTileset.js

@@ -0,0 +1,5 @@
+WA.room.loadTileset("http://maps.workadventure.localhost/tests/LoadTileset/Yellow.json").then((firstgid) => {
+    WA.room.setTiles([
+        {x: 5, y: 5, tile: firstgid + 1, layer: 'bottom'},
+    ]);
+});