Merge branch 'IT19975382' into 'master'

Added image util providers

See merge request !14

FrontEnd/lib/providers/img_util_provider.dart

+import 'package:flutter/material.dart';
+
+class ImageUtilProvider extends ChangeNotifier {
+  ImageProvider? _image;
+  String? _imagePath;
+  String imageUrl = '';
+
+  String? get imagePath => _imagePath;
+  ImageProvider? get image => _image;
+
+  set image(ImageProvider? image) {
+    _image = image;
+    notifyListeners();
+  }
+
+  set imagePath(String? imagePath) {
+    _imagePath = imagePath;
+    notifyListeners();
+  }
+
+  void clearImage() {
+    _image = null;
+    _imagePath = null;
+    notifyListeners();
+  }
+
+  void setImageUrl(String url) {
+    imageUrl = url;
+    notifyListeners();
+  }
+}