Fix Fabric main config loading

common/src/main/java/com/dfsek/terra/api/generic/TerraPlugin.java

@@ -34,4 +34,6 @@ public interface TerraPlugin extends LoaderRegistrar {
     void reload();
 
     ItemHandle getItemHandle();
+
+    void saveDefaultConfig();
 }

common/src/main/java/com/dfsek/terra/config/base/ConfigPack.java

@@ -229,4 +229,8 @@ public class ConfigPack implements LoaderRegistrar {
                 .registerLoader(Ore.class, oreRegistry)
                 .registerLoader(Tree.class, treeRegistry);
     }
+
+    public BiomeRegistry getBiomeRegistry() {
+        return biomeRegistry;
+    }
 }