Add networking

lib/config/get_it_config.dart

@@ -0,0 +1,18 @@
+import 'package:dio/dio.dart';
+import 'package:get_it/get_it.dart';
+import 'package:todo_app/repositories/todo_repository.dart';
+import 'package:todo_app/repositories/todo_repository_interface.dart';
+import 'package:todo_app/use_cases/done_todo.dart';
+import 'package:todo_app/use_cases/fetch_todos.dart';
+import 'package:todo_app/use_cases/new_todo.dart';
+import 'package:todo_app/use_cases/remove_done_todos.dart';
+
+extension GetItConfig on GetIt {
+  void init() {
+    registerSingleton<ITodoRepository>(TodoRepository(Dio()));
+    registerSingleton<FetchTodos>(FetchTodos());
+    registerSingleton<NewTodo>(NewTodo());
+    registerSingleton<DoneTodo>(DoneTodo());
+    registerSingleton<RemoveDoneTodos>(RemoveDoneTodos());
+  }
+}

lib/cubit/todo_list_states.dart

@@ -0,0 +1,26 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import '../models/todo.dart';
+part 'todo_list_states.freezed.dart';
+
+@immutable
+abstract class TodoListState {
+  List<Todo> get todos => [];
+}
+
+@freezed
+class TodoListInitialState extends TodoListState with _$TodoListInitialState {
+  factory TodoListInitialState({required final List<Todo> todos}) =
+      _TodoListInitialState;
+}
+
+@unfreezed
+class TodoListLoadedState extends TodoListState with _$TodoListLoadedState {
+  factory TodoListLoadedState({required List<Todo> todos}) =
+      _TodoListLoadedState;
+}
+
+@unfreezed
+class TodoListFailState extends TodoListState with _$TodoListFailState {
+  factory TodoListFailState(
+      {required List<Todo> todos, required String error}) = _TodoListFailState;
+}