Update README.md

Author: lhCabra

README.md

@@ -20,8 +20,8 @@ For more details please refer to [MongoDB_Documentation](https://www.mongodb.com
 #### Upload data
 The following data needs to be uploaded on their corresponding collections:
 * [Practices](Practices.json)
-* [Stages]()
-* [TasksWithPractices]()
+* [Stages](Stages.json)
+* [TasksWithPractices](TasksWithPractices.json)
 
 In order to do this you should go to your collection and click on Insert Document. Select the JSON way to upoad data and copy and paste the corresponding data.
 ![image](https://github.com/TheSoftwareDesignLab/Idaka/assets/60227230/30ccc6b1-faf0-48d0-8320-a115afd9401d)