Add Viewer#playTotemOfUndyingEffect (#4196)

Author: MrHell228

src/main/java/org/spongepowered/api/effect/Viewer.java

@@ -31,6 +31,7 @@
 import org.spongepowered.api.effect.particle.ParticleEffect;
 import org.spongepowered.api.effect.sound.SoundType;
 import org.spongepowered.api.effect.sound.music.MusicDisc;
+import org.spongepowered.api.item.inventory.ItemStackLike;
 import org.spongepowered.api.world.World;
 import org.spongepowered.api.world.WorldType;
 import org.spongepowered.api.world.WorldTypes;
@@ -57,6 +58,13 @@ public interface Viewer extends Audience {
      */
     void sendWorldType(WorldType worldType);
 
+    /**
+     * Plays the totem of undying effect with the texture of the given item.
+     *
+     * @param stack The item to display
+     */
+    void playTotemOfUndyingEffect(ItemStackLike stack);
+
     /**
      * Spawn the given {@link ParticleEffect} at the given position.
      *