Update README

Author: TBlueF

README.md

@@ -4,6 +4,28 @@ This means that when bluemap renders your map, it will also show entities where
 Note that the entities will be static. They will not move around. They will only be updated when bluemap
 renders the entities map-tile again.
 
+Currently only a small subset of entity types is supported. If you want to add more entity-types and features,
+feel free to create a PR! :)
+In the future this is planned to be added directly to BlueMap, but this can only happen if there are a lot more entity-types
+supported.
+
+**Currently supported entity-types:**
+- Bee
+- Breeze
+- Cat
+- Chicken
+- Cod
+- Cow
+- Fox
+- Iron Golem
+- Llama
+- Ocelot
+- Pig
+- Pufferfish
+- Salmon
+- Tropical Fish
+- Zombie
+
 # Usage
 Download the `BlueMapEntities.jar` from the releases and place it in the `packs` folder next to your
 bluemap-configs. You will need to purge/re-render the map to see the entities appear.