Put the arrows into the minimap. Fixed the issue with curved section of port marks.

#fix #implement

src/main/java/seng302/visualiser/MiniMap.java

@@ -30,7 +30,7 @@ public class MiniMap extends MapPreview {
         this.boats = boats;
         this.player = player;
         setBoats(boats);
-//        player.addMarkRoundingListener(this::updateMarkArrows);
+        player.addMarkRoundingListener(this::updateMarkArrows);
     }
 
     public void setBoats(List<ClientYacht> yachts) {

src/main/java/seng302/visualiser/fxObjects/MarkArrowFactory.java

@@ -106,7 +106,7 @@ public class MarkArrowFactory {
         Arc roundSection = new Arc(
             0, 0, MARK_ARROW_SEPARATION, MARK_ARROW_SEPARATION,
             //Where to start drawing arc from
-            (roundingSide == RoundingSide.PORT ? 0 : angleOfEntry),
+            (roundingSide == RoundingSide.PORT ? 180 + angleOfEntry : angleOfEntry),
             //Which way to go around the mark. (clockwise vs anticlockwise)
             roundingSide == RoundingSide.PORT ? Math.abs(angleOfExit - angleOfEntry) : -Math.abs(angleOfEntry - angleOfExit)
         );