made category a hivetype

trackeroo/lib/logic/models/category.dart

 import 'package:flutter/material.dart';
+import 'package:hive/hive.dart';
 
+part 'category.g.dart';
+
+@HiveType(typeId: 0)
 class Category {
+  @HiveField(0)
   String title;
+
+  @HiveField(1)
   IconData icon;
+
+  @HiveField(2)
   Color color;
+
+  @HiveField(3)
   double budget;
 
   Category({

trackeroo/lib/logic/models/category.g.dart

+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'category.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class CategoryAdapter extends TypeAdapter<Category> {
+  @override
+  final int typeId = 0;
+
+  @override
+  Category read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return Category(
+      title: fields[0] as String,
+      icon: fields[1] as IconData,
+      color: fields[2] as Color,
+      budget: fields[3] as double,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, Category obj) {
+    writer
+      ..writeByte(4)
+      ..writeByte(0)
+      ..write(obj.title)
+      ..writeByte(1)
+      ..write(obj.icon)
+      ..writeByte(2)
+      ..write(obj.color)
+      ..writeByte(3)
+      ..write(obj.budget);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CategoryAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}