Created NPC types and created the config needed to load them

src/main/java/com/alttd/fishingevent/fish/Fish.java

@@ -64,7 +64,7 @@ public abstract class Fish {
      * @return points based on the length and rarity of this fish
      */
     public int getPoints(float length) {
-        return Math.round(Config.RARITY_MULTIPLIERS.multiplierMap.get(getRarity()) * length);
+        return Math.round(Config.RARITY_MULTIPLIERS.MULTIPLIER_MAP.get(getRarity()) * length);
     }
 
 }