APNs: Add Inwi (Morocco)

- Adds Inwi internet APN and Inwi MMS
- Got the config from a local's phone (So I was able to test myself)
- Made sure it was correct using this website : https://www.apnsettings.org/morocco/inwi-ma/



Change-Id: Ie98bb2e9886cd7cc8546d78cb178ce0695be255c
Signed-off-by: Onelots <onelots@onelots.fr>