Added thickHugeFungusGrowthFix rule (#1458)

src/main/java/carpet/CarpetSettings.java

@@ -1051,4 +1051,14 @@ public class CarpetSettings
     )
     public static int sculkSensorRange = 8;
 
+    public enum FungusFixMode {
+        FALSE, VANILLA, ALL;
+    }
+
+    @Rule(
+            desc = "Allows to grow nether trees with 3x3 base with bonemeal",
+            extra = {"Setting to 'all' will make all nether fungi grow into 3x3 trees", "Setting to 'vanilla' will make 6% of all nether fungi grow into 3x3 trees", "(this being consistent with worldgen)", "Fixes [MC-215169](https://bugs.mojang.com/browse/MC-215169)."},
+            category = {SURVIVAL, BUGFIX}
+    )
+    public static FungusFixMode thickHugeFungusGrowthFix = FungusFixMode.FALSE;
 }