Solved jerry cans and repair kits

[Pariksith_Babblu]

ingame name :Pariksith_Babblu
suggestion: u may introduce jerry cans and repair kits(sold in mech shop) .if we forget to put fuel while moving somewhere and stopping while going ,can be refueled with jerry cans .repair kit can be used when the vehicles are out of service and no helpers are available .

[IORP]

implemented

[IORP]

Update

1. add new type of shop.
2. trucker can unload fuel.
3. players can purchase fuel with maximum quantity 10 per backpack.

note: in future we might add separate object, but for now we are using backpack.