Add plugin to display items dropped on the ground (#70)

runescape-api/src/main/java/net/runelite/rs/api/Client.java

@@ -193,6 +193,9 @@ public interface Client extends GameEngine
 	@Import("itemContainers")
 	XHashTable getItemContainers();
 
+	@Import("getItemDefinition")
+	ItemComposition getItemDefinition(int itemId);
+
 	@Import("componentTable")
 	XHashTable getComponentTable();