[Tables] Support enum data types

Link to [.NET PR](https://statics.teams.cdn.office.net/evergreen-assets/safelinks/1/atp-safelinks.html)
The track 1 client supports enum values by converting them to and from string. This approach will have to be reevaluated when @annatisch returns. 