Ideally there would be more options like color, size, etc. but the most important one to get started would be a hide grid option, so that it doesn't z-fight with your scene if you have a plane or similar in the origin.
It would also be nice to set the grid orientation. For example, I have a top-down shooter where the camera is locked on the y axis but moves on the x and z. I would like to have the grid be oriented the same way.
Ideally there would be more options like color, size, etc. but the most important one to get started would be a
hide grid
option, so that it doesn't z-fight with your scene if you have a plane or similar in the origin.