Add item config option

src/main/java/de/ellpeck/nyx/Config.java

@@ -17,6 +17,7 @@ public final class Config {
     public static Set<String> allowedDimensions;
     public static boolean enchantments;
     public static boolean lunarWater;
+    public static String lunarWaterItem;
     public static boolean addPotionEffects;
     public static int additionalMobsChance;
     public static boolean lunarEdgeXp;
@@ -66,6 +67,7 @@ public static void init(File file) {
     public static void load() {
         allowedDimensions = Sets.newHashSet(instance.get("general", "allowedDimensions", new String[]{"overworld"}, "Names of the dimensions that lunar events should occur in").getStringList());
         lunarWater = instance.get("general", "lunarWater", true, "If lunar water should be enabled").getBoolean();
+        lunarWaterItem = instance.get("general", "lunarWaterItem", "minecraft:dye:11", "The item that needs to be dropped into a cauldron to turn it into lunar water. Examples include 'minecraft:stick', 'minecraft:wool:3', and 'ore:stone'").getString();
         meteorShardGuardianChance = instance.get("general", "meteorShardGuardianChance", 0.05, "The chance in percent (1 = 100%) for a meteor shard to be dropped from an elder guardian", 0, 1).getDouble();
         mobDuplicationBlacklist = Sets.newHashSet(instance.get("general", "mobDuplicationBlacklist", new String[0], "The registry names of entities that should not be spawned during the full and blood moons. If isMobDuplicationWhitelist is true, this acts as a whitelist instead.").getStringList());
         isMobDuplicationWhitelist = instance.get("general", "isMobDuplicationWhitelist", false, "If the mobDuplicationBlacklist should act as a whitelist instead").getBoolean();