Added Black Mesa Deathmatch config
Added Black Mesa Deathmatch config

Sodierlow/linuxgsm,SingingTree/linuxgsm,Maxximou5/linuxgameservers,dgibbs64/linuxgsm,Maxximou5/linuxgameservers,kyroskoh/linuxgsm,zunnu/linuxgsm,GameServerManagers/LinuxGSM,dgibbs64/linuxgsm,zunnu/linuxgsm,GameServerManagers/LinuxGSM,BogusCurry/linuxgsm,Sodierlow/linuxgsm,SingingTree/linuxgsm,BogusCurry/linuxgsm,kyroskoh/linuxgsm