chore(samples): rename sample app to sample_app and update import paths (#23)

Author: xsahil03x

melos.yaml

@@ -1,5 +1,5 @@
 name: stream_feeds_flutter_workspace
-repository: https://github.com/GetStream/stream-core-flutter
+repository: https://github.com/GetStream/stream-feeds-flutter
 
 versioning:
   mode: independent

sample_app/lib/core/di/di_initializer.config.dart

@@ -5,6 +5,6 @@ import 'di_initializer.config.dart';
 
 final locator = GetIt.instance;
 
-@injectableInit
+@InjectableInit(preferRelativeImports: true)
 Future<void> initDI({String? env}) => locator.init(environment: env);
 Future<void> resetDI({bool dispose = true}) => locator.reset(dispose: dispose);

sample_app/lib/core/di/di_initializer.dart

@@ -1,4 +1,4 @@
-name: sample
+name: sample_app
 description: "A demo app for the Stream Feeds SDK"
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev