add getPacket to SendPacketEvent

idk if this is necessary, intellij wanted it and it knows coding better than me imo

src/main/java/keystrokesmod/event/SendPacketEvent.java

@@ -13,4 +13,9 @@
 @AllArgsConstructor
 public class SendPacketEvent extends Event {
     private Packet<?> packet;
+
+    public Packet getPacket() {
+        return packet;
+    }
+
 }