criado o banco de dados db_sqlite.dart, criado as conexões com as api_data.dart e criada e tela load_init_screen.dart

lib/screens/splash_screen.dart

@@ -1,6 +1,9 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:rkm/utils/const_variable.dart';
 
+import '../service/db/db_sqlite.dart';
+
 class SplashScreen extends StatefulWidget {
   const SplashScreen({Key? key}) : super(key: key);
 
@@ -13,6 +16,7 @@ class _SplashScreenState extends State<SplashScreen> {
   @override
   void initState() {
     super.initState();
+    DbSqlite().intialDB();
     timer();
   }