dnd-character: Add title to metadata (#1417)
dnd-character: Add title to metadata (#1417)

* dnd-character: Add title to metadata

Currently, the exercise shows up as 'Dnd Character' when 'D&D Character' would be more appropriate.
rpottsoh/x-common,jmluy/x-common,ErikSchierboom/x-common,jmluy/x-common,ErikSchierboom/x-common,exercism/x-common,petertseng/x-common,rpottsoh/x-common,jmluy/x-common,exercism/x-common,petertseng/x-common