Create a second fragment named TimeSlotEditFragment that allows the user to edit the content of an offered time slot advertisement
[x] The layout file will mimic the previous one with some exceptions: all TextViews will be replaced by corresponding EditTexts or the corresponding material design component,TextInputLayout; the date must be chosen with a DatePicker.
[x] base edit text
[x] date picker and time picker
[x] Use the MVVM architecture to store data and handle their graphical representation, sharing the same model among the view and edit mode.
[x] If the user rotates the device, data entered so long should not be lost.
[x] If the user clicks on the back button, when in edit mode, changes must be persisted and a navigation to the relevant screen takes place.
[x] Commit the project. Push it onto the remote repository.
Create a second fragment named TimeSlotEditFragment that allows the user to edit the content of an offered time slot advertisement