Use the module system to build a module with your added maps. then run your server with that module with the -m command with the startup. like:
mb_warband_dedicated.exe -r sample.txt -m YourAwsomeMapMod
For help on the module system and stuff like that go to the modding forums.
mb_warband_dedicated.exe -r sample.txt -m YourAwsomeMapMod
For help on the module system and stuff like that go to the modding forums.