CSV Provider to auto-detect CSV separator types

[DaveRMaltby]

No description provided.

[github-actions]

Package	Line Rate	Branch Rate	Health
Data.Common	41%	35%	➖
EFCore.Xml	75%	50%	✔
EFCore.Common.Tests	94%	88%	✔
EFCore.Common	82%	64%	✔
Data.Xml	65%	58%	✔
Data.Tests.Common	2%	1%	❌
Data.Common	70%	59%	✔
Data.Csv	89%	87%	✔
Data.Tests.Common	80%	62%	✔
Data.Xls	64%	46%	✔
Data.Common	35%	26%	❌
Data.Csv	30%	28%	❌
Data.Tests.Common	30%	29%	❌
Data.Common	67%	56%	✔
Data.Xml	86%	86%	✔
Data.Tests.Common	80%	46%	✔
EFCore.Csv	62%	35%	✔
Data.Common	34%	28%	❌
EFCore.Common.Tests	49%	75%	➖
EFCore.Common	71%	61%	✔
Data.Csv	65%	59%	✔
Data.Tests.Common	2%	1%	❌
EFCore.Json	62%	35%	✔
Data.Common	39%	31%	❌
EFCore.Common.Tests	52%	75%	➖
EFCore.Common	71%	61%	✔
Data.Json	63%	52%	✔
Data.Tests.Common	2%	1%	❌
Data.Common	71%	59%	✔
Data.Json	80%	72%	✔
Data.Tests.Common	78%	58%	✔
Data.Common	3%	4%	❌
Summary	45% (14213 / 30714)	39% (4470 / 11256)	➖