npm run update
npm run package "C:\Users\<Users>\Documents\Euro Truck Simulator 2\mod"
MATH for caculate engine level:
FLE (First Level Expected) = 0
LLE (Last Level Expected) = 100
HP (Horse Power) = 360
LHP (Lowest Horse Power for Truck) = 360
HHP (Highest Horse Power for Truck) = 510
M (Muliplier Key Power for HHP) = 4
LTKHP (Lowest Temporary Key Horse Power) = MIN(TKHP)
HTKHP (Higest Temporary Key Horse Power) = MAX(TKHP)
TKHP (Temporary Key Horse Power) = ROUND(HP + LHP + HHP x M)+ MAX(HP - LHP, 0) x 2
NL (New Level) = ROUND(((TKHP - LTKHP)/(HTKHP - LTKHP)) x (LLE - FLE)) + FLE