Update README.md

Author: ehanson8

README.md

@@ -55,6 +55,7 @@ Based on user input, this script extracts the ID and URI for all items in the re
 
 #### [metadataOverview.py](metadataOverview.py)
 This script produces several CSV files containing different information about the structure and metadata of the repository:
+
         collectionMetadataKeys.csv - A list of all keys used in each collection with collection name, ID, and handle.   
         dspaceIDs.csv - A list of every item ID along with the IDs of the collection and community that contains that item.
         dspaceTypes.csv - A list of all unique values for the key 'dc.type'