yes its
bot_vs_human is "0" ["0"] Bots and humans play in different teams when set. positive values to make an all-bot blue team, set to negative values to make an all-bot red team, the absolute value is the ratio bots vs humans (1 for equal count)
type this in console on host pc
for example bot_vs_human 2 will increase bots number in 2 times comparing to human team - 3 vs 6 bots