To set a loadout that all players spawn with you need to
- got the file management tab in the server panel
- Click on the servers folder
- Click on the default folder
- Click on the server folder
- Click on the command.dat file
- This opens a text document
- From there type in this
- loadout 255/15/15/81/81/18/20/20/21
- The item's id need to be changed to what you would like a list of all item ids can be found here https://steamcommunity.com/sharedfiles/filedetails/?id=675890177
- Click save and restart the server