Implement tooltip for new codelists in grant table

[michaelwood]

Requires:

• additional_data: codelist_code: Add some more codelist data datastore#254
• 1 pipeline run

Where:

Extend: https://github.com/ThreeSixtyGiving/grantnav/blob/live/grantnav/frontend/templates/grant.html#L126

[mariongalley]

@michaelwood I think this is fixed