Adding Siraj's bot video

I guess this should be added to the list of videos: https://www.youtube.com/watch?v=3vxk91K1PiI&list=PL2-dafEMk2A7mfQDsEcmxxtxgFEZg0bW-

(I would add it myself if I wasn't a bit unsure about how to handle it with my pending ufo pr and all)