Setting fuel station to be ownable

in rcore_fuel/config/shop_config.lua every fuel station you wish to be owned by player you will need to enable this specific option

After the EnableBuyingCompany will be set to true the specific company blip will be colored green on your map

In game you will be able to see this marker with price of the company above

This is how the buying looks like

After you buy the company it will be colored "red" on your map to indicate that you own this company.