README.md: fix tiny formatting issues
README.md: fix tiny formatting issues

Manzalab/kalulu,XPRIZE/GLEXP-Team-Manzalab,Manzalab/kalulu,XPRIZE/GLEXP-Team-Manzalab,Manzalab/kalulu,Manzalab/kalulu,XPRIZE/GLEXP-Team-Manzalab,XPRIZE/GLEXP-Team-Manzalab,Manzalab/kalulu,XPRIZE/GLEXP-Team-Manzalab