Simplify demo data download

docs/posts/demo-data.md

@@ -6,7 +6,6 @@ description: Demo datasets
 
 # Example datasets
 **To download and use these datasets, run:**  
-`curl -O [URL]`
 `unzip [filename.zip]`
 `cellxgene launch [filename.h5ad] --open`
 
@@ -18,7 +17,7 @@ Healthy human PBMCs (10X).
 - File size: 19MB
 - [Raw data](http://cf.10xgenomics.com/samples/cell-exp/1.1.0/pbmc3k/pbmc3k_filtered_gene_bc_matrices.tar.gz)
 - [Processing](https://github.com/chanzuckerberg/cellxgene-vignettes/blob/master/dataset-processing/pbmc3k-processing.ipynb)
-- Download: `curl -O https://cellxgene-example-data.czi.technology/pbmc3k.h5ad.zip`
+- [Download](https://cellxgene-example-data.czi.technology/pbmc3k.h5ad.zip)
 
 ### Tabula muris
 20 organs and tissues from healthy mice (Smart-Seq2).  
@@ -29,7 +28,7 @@ Rich metadata and annotations.
 - File size: 174MB
 - [Raw data](https://figshare.com/projects/Tabula_Muris_Transcriptomic_characterization_of_20_organs_and_tissues_from_Mus_musculus_at_single_cell_resolution/27733)
 - [Processing](https://github.com/chanzuckerberg/cellxgene-vignettes/blob/master/dataset-processing/tabula-muris-processing.ipynb)
-- Download: `curl -O https://cellxgene-example-data.czi.technology/tabula-muris.h5ad.zip`
+- [Download](https://cellxgene-example-data.czi.technology/tabula-muris.h5ad.zip)
 
 ### Tabula muris senis
 22 organs and tissues from healthy mice at ages 3mo, 18mo, 21mo, and 24mo (Smart-Seq2).  
@@ -40,4 +39,4 @@ Rich metadata and annotations.
 - File size: 3.9GB
 - Raw data [geo link coming soon!]
 - [Processing](https://www.biorxiv.org/content/10.1101/661728v1)
-- Download: `curl -O https://cellxgene-example-data.czi.technology/tabula-muris-senis.h5ad.zip`
+- [Download](https://cellxgene-example-data.czi.technology/tabula-muris-senis.h5ad.zip)