Add info re sleep period

example/defense_python_2v2.sh

 #!/bin/bash
 
 ./bin/HFO --offense-npcs=2 --defense-agents=1 --defense-npcs=1 --trials 20 --headless &
+# Sleep is needed to make sure doesn't get connected too soon, as unum 1 (goalie)
 sleep 15
 ./example/hand_coded_defense_agent.py &> agent1.txt &
 sleep 5

example/defense_python_2v3.sh

 #!/bin/bash
 
 ./bin/HFO --offense-npcs=2 --defense-agents=1 --defense-npcs=2 --trials 20 --headless &
+# Sleep is needed to make sure doesn't get connected too soon, as unum 1 (goalie)
 sleep 15
 ./example/hand_coded_defense_agent.py &> agent1.txt &
 sleep 5

example/defense_python_3v3.sh

 #!/bin/bash
 
 ./bin/HFO --offense-npcs=3 --defense-agents=1 --defense-npcs=2 --trials 20 --headless &
+# Sleep is needed to make sure doesn't get connected too soon, as unum 1 (goalie)
 sleep 15
 ./example/hand_coded_defense_agent.py &> agent1.txt &
 sleep 5