Add Notification Model

app/src/main/java/app/insti/data/Converters.java

@@ -114,6 +114,20 @@ public class Converters {
         return json;
     }
 
+    @TypeConverter
+    public static Object objectFromString(String value) {
+        Type listType = new TypeToken<Object>() {
+        }.getType();
+        return new Gson().fromJson(value, listType);
+    }
+
+    @TypeConverter
+    public static String stringFromObject(Object object) {
+        Gson gson = new Gson();
+        String json = gson.toJson(object);
+        return json;
+    }
+
     @TypeConverter
     public static List<String> stringsfromString(String value) {
         Type listType = new TypeToken<List<String>>() {

app/src/main/java/app/insti/data/Notification.java

+package app.insti.data;
+
+public class Notification {
+}