DAF XF 2021 and E6 Paccar MX 13 v5.0 for ETS2

Stock sound mod for the DAF 2021 (XG and XF) and XF Euro6. The engine is the same as the previous E6 in real life and it sounds the same. Recorded and added all interior sounds for the new DAF 2021. Reworked the whole engine sound and added support for the new DAF 2021. Added support for multiplayer.