Refactor hierarchy

lib/mod.dart

@@ -1,36 +0,0 @@
-import 'package:hive/hive.dart';
-import 'package:uuid/v4.dart';
-
-part 'mod.g.dart';
-
-@HiveType(typeId: 2)
-class Mod {
-  @HiveField(0, defaultValue: "")
-  String mod_name = "";
-
-  @HiveField(1, defaultValue: 0)
-  int mod_id = 0;
-
-  @HiveField(2, defaultValue: "")
-  String mod_pak = "";
-
-  @HiveField(3, defaultValue: "")
-  String mod_hash = "";
-
-  bool newMod = false;
-  String _id = "";
-  String mod_instance_id() {
-    if (_id.isEmpty) {
-      _id = UuidV4().generate();
-    }
-
-    return _id;
-  }
-
-  Mod(
-      {this.mod_name = "undef",
-      this.mod_id = 0,
-      this.newMod = false,
-      this.mod_pak = "Not Initialized",
-      this.mod_hash = ""});
-}