Add MsBuild.Sdk.SqlProj templates - #34

Converting null literal or possible null value to non-nullable type.

Non-nullable property 'RoutineType' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'RoutineSql' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Possible null reference return.

Possible null reference return.

Possible null reference return.

Possible null reference argument for parameter 'name' in 'string DatabaseModelToMermaid.Sanitize(string name)'.

Non-nullable field 'databaseModel' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Cannot convert null literal to non-nullable reference type.

Cannot convert null literal to non-nullable reference type.