Add mappings for isTradeable to ItemComposition

Signed-off-by: Tomas Slusny <slusnucky@gmail.com>

runelite-api/src/main/java/net/runelite/api/ItemComposition.java

@@ -104,6 +104,13 @@ public interface ItemComposition
 	 */
 	boolean isStackable();
 
+	/**
+	 * Returns whether or not the item can be traded to other players.
+	 *
+	 * @return true if tradeable, false otherwise
+	 */
+	boolean isTradeable();
+
 	/**
 	 * Gets an array of possible right-click menu actions the item
 	 * has in a player inventory.

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

@@ -66,6 +66,10 @@ public interface RSItemComposition extends ItemComposition
 	@Override
 	boolean isMembers();
 
+	@Import("isTradable")
+	@Override
+	boolean isTradeable();
+
 	/**
 	 * You probably want {@link #isStackable}
 	 * <p>