Update README.md

Author: Marc Sallin

README.md

@@ -6,7 +6,7 @@ I started with the [code](https://gist.github.com/flaub/1968486e1b3f2b9fddaf) fr
 
 Currently the following is supported:
 - Tables from classes (supported annotations: `Table`)
-- Columns from properties (supported annotations: `Column`, `Key`, `MaxLength`, `Required`)
+- Columns from properties (supported annotations: `Column`, `Key`, `MaxLength`, `Required`, `NotMapped`, `DatabaseGenerated`)
 - PrimaryKey constraint (`Key` annotation, key composites are supported)
 - ForeignKey constraint (1-n relationships, support for 'Cascade on delete')
 - Not Null constraint