Added getPlayer method to SignChangeEvent

By: Timberjaw <timberjaw@gmail.com>

paper-api/src/main/java/org/bukkit/event/block/SignChangeEvent.java

@@ -18,13 +18,21 @@ public class SignChangeEvent extends BlockEvent implements Cancellable {
         this.lines = theLines;
     }
 
+    /**
+     * Gets the player for this event
+     *
+     * @return Player player
+     */
+    public Player getPlayer() {
+        return player;
+    }
+
     /**
      * Gets all of the text lines from this event
      *
      * @return String[] of the event's text lines
      */
-    public String[] getLines()
+    public String[] getLines() {
-    {
         return lines;
     }