Populate detail page for a data product

[seanprivett]

Complete list of metadata items, as only a subset is presented on the front page.
List of tables associated with the data product link that has been clicked.
Doesn't go down to the list of columns for the table at this stage.
Get this information direct from DataHub, not using FastAPI. (using python package)
Update catalogue library to look up all tables within a data product.