Add README.md

README.md

@@ -19,18 +19,12 @@ Dataset structure is originally from [AnnData](https://anndata.readthedocs.io/en
 
 Descriptions of each data file is below.
 
-## `gene-expression-single-cell-mouse_expression.parquet`
+## Data Files
 
-The main expression matrix containing gene expression data.
+This dataset contains multiple parquet files, one for each sheet in the original Excel file:
 
-## `gene-expression-single-cell-mouse_sample_metadata.parquet`
+gene-expression-single-cell-mouse_*.parquet - Data files containing gene expression and metadata
 
-Metadata for each sample/cell in the dataset.
+## Metadata Files
 
-## `gene-expression-single-cell-mouse_feature_metadata.parquet`
-
-Metadata for each feature/gene in the dataset.
-
-## `gene-expression-single-cell-mouse_unstructured_metadata.json`
-
-Additional unstructured metadata about the dataset.
+gene-expression-single-cell-mouse_unstructured_metadata.json - Additional metadata about the dataset