[docs] Added SRTO_DRIFTTRACER option
[docs] Added SRTO_DRIFTTRACER option

Haivision/srt,ethouris/srt,Cinegy/srt,ethouris/srt,Haivision/srt,Cinegy/srt,ethouris/srt,Haivision/srt,Cinegy/srt,Haivision/srt,ethouris/srt,Cinegy/srt