Added first implemenation of Toreterror, shellstone, water cannon, toreterror arena, primordial armor

neoforge/src/main/resources/data/antarchy/neoforge/biome_modifier/shellstone_in_oceans_and_beaches.json

@@ -0,0 +1,9 @@
+{
+  "type": "neoforge:add_features",
+  "biomes": "#antarchy:has_shellstone",
+  "features": [
+    "antarchy:shellstone_upper",
+    "antarchy:shellstone_lower"
+  ],
+  "step": "underground_ores"
+}