feat: base project

lib/env.dart

@@ -0,0 +1,20 @@
+import 'package:injectable/injectable.dart';
+
+abstract class Env {
+  String get baseUrl;
+  // add getter here...
+}
+
+@Injectable(as: Env)
+@dev
+class DevEnv implements Env {
+  @override
+  String get baseUrl => ''; // example value
+}
+
+@Injectable(as: Env)
+@prod
+class ProdEnv implements Env {
+  @override
+  String get baseUrl => '';
+}