update docs

docs/CONFIGURATION.md

@@ -206,7 +206,8 @@ schema.path|nil|Local path to find your schemas.
 schema.use_schema_classes|false|Set this to true to use generated schema classes in your application.
 schema.generated_class_path|`app/lib/schema_classes`|Local path to generated schema classes.
 schema.nest_child_schemas|false|Set to true to nest subschemas within the generated class for the parent schema.
-schema.generate_namespace_folders|false|Set to true to generate folders for schemas matching the last part of the namespace.
+schema.generate_namespace_folders|false|Set to true to generate folders for schemas matching the full namespace.
+schema.schema_namespace_map|{}|Add a map to reduce namespace nesting. Example: { 'com.mycompany.suborg' => 'SchemaClasses' }
 
 ## Database Producer Configuration