delete all kinda stuff

delete function implemented
on pressed -> pop up => are you sure about that?
yes: all rating from all pages will be cleared
no: nothing happens, pop closes

lib/providers/ambienteProvider.dart

@@ -19,4 +19,11 @@ class AmbienteProvider extends ChangeNotifier {
     freiText = text;
     notifyListeners();
   }
+
+  void resetAllFields(){
+  freiText = "";
+  ratingFrage1 = 0;
+  ratingFrage2 = 0;
+  notifyListeners();
+  }
 }

lib/providers/anmerkungProvider.dart

@@ -19,4 +19,11 @@ class AnmerkungProvider extends ChangeNotifier {
     freiText = text;
     notifyListeners();
   }
+
+  void resetAllFields(){
+    freiText = "";
+    ratingFrage1 = 0;
+    ratingFrage2 = 0;
+    notifyListeners();
+  }
 }

lib/providers/essenProvider.dart

@@ -19,4 +19,11 @@ class EssenProvider extends ChangeNotifier {
     freiText = text;
     notifyListeners();
   }
+
+  void resetAllFields(){
+    freiText = "";
+    ratingGeschmack = 0;
+    ratingQuali = 0;
+    notifyListeners();
+  }
 }

lib/providers/serviceProvider.dart

@@ -19,4 +19,11 @@ class ServiceProvider extends ChangeNotifier {
     freiText = text;
     notifyListeners();
   }
+
+  void resetAllFields(){
+    freiText = "";
+    ratingFrage1 = 0;
+    ratingFrage2 = 0;
+    notifyListeners();
+  }
 }

lib/providers/spezielleErnaehrungProvider.dart

@@ -20,4 +20,11 @@ class SpezielleErnaehrungProvider extends ChangeNotifier {
     freiText = text;
     notifyListeners();
   }
+
+  void resetAllFields(){
+    freiText = "";
+    ratingSitzmoeglichkeit = 0;
+    ratingKeineAhnung = 0;
+    notifyListeners();
+  }
 }