Refresh dataset card with production-ready overview and usage

Add brain_00002.zarr (brain primary cells shard 2)

Add brain_00001.zarr (brain primary cells shard 1)

Add brain_00026.zarr (brain primary cells shard 26)

Add brain_00026.zarr (brain primary cells shard 26)

Add brain_00027.zarr (brain primary cells shard 27)

Add brain_00028.zarr (brain primary cells shard 28)

Add brain_00028.zarr (brain primary cells shard 28)

Add brain_00010.zarr (brain primary cells shard 10)

Add brain_00010.zarr (brain primary cells shard 10)

Add brain_00012.zarr (brain primary cells shard 12)

Add brain_00011.zarr (brain primary cells shard 11)

Add brain_00011.zarr (brain primary cells shard 11)

Add brain_00000.zarr (brain primary cells shard 0)

Add brain_00003.zarr (brain primary cells shard 3)

Add brain_00023.zarr (brain primary cells shard 23)

Add brain_00025.zarr (brain primary cells shard 25)

Add brain_00021.zarr (brain primary cells shard 21)

Add brain_00021.zarr (brain primary cells shard 21)

Add brain_00022.zarr (brain primary cells shard 22)

Add brain_00020.zarr (brain primary cells shard 20)

Add brain_00004.zarr (brain primary cells shard 4)

Add brain_00009.zarr (brain primary cells shard 9)

Add brain_00005.zarr (brain primary cells shard 5)

Add brain_00013.zarr (brain primary cells shard 13)

Add brain_00006.zarr (brain primary cells shard 6)

Add brain_00016.zarr (brain primary cells shard 16)

Add brain_00017.zarr (brain primary cells shard 17)

Add brain_00019.zarr (brain primary cells shard 19)

Add brain_00018.zarr (brain primary cells shard 18)

Add brain_00014.zarr (brain primary cells shard 14)

Add brain_00007.zarr (brain primary cells shard 7)

Add brain_00024.zarr (brain primary cells shard 24)

Add brain_00008.zarr (brain primary cells shard 8)

Add brain_00015.zarr (brain primary cells shard 15)

Add CellxGene Census brain Zarr dataset

initial commit