[tune] Fix github readme (#9365)
[tune] Fix github readme (#9365)

Co-authored-by: Amog Kamsetty <990fa1f2046ce973a7762b1eb41f1566cc72b1b9@users.noreply.github.com>
ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,richardliaw/ray,pcmoritz/ray-1,robertnishihara/ray,ray-project/ray,pcmoritz/ray-1,robertnishihara/ray,robertnishihara/ray,robertnishihara/ray,richardliaw/ray,richardliaw/ray,richardliaw/ray,ray-project/ray,ray-project/ray,richardliaw/ray,ray-project/ray,ray-project/ray,richardliaw/ray,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,richardliaw/ray,richardliaw/ray,robertnishihara/ray,pcmoritz/ray-1,robertnishihara/ray,robertnishihara/ray,ray-project/ray,robertnishihara/ray,robertnishihara/ray,pcmoritz/ray-1