Add ability to mark constructions as garden buildings

migrations/023.garden_buildings.down.sql

@@ -0,0 +1,2 @@
+DELETE FROM reference_tables.landuse_classifications WHERE landuse_id = 'U071X';
+DELETE FROM reference_tables.buildings_landuse_group WHERE landuse_id = 'U071X';

migrations/023.garden_buildings.up.sql

@@ -0,0 +1,14 @@
+-- equivalent to 015 migration
+INSERT INTO reference_tables.landuse_classifications
+(landuse_id, description, level, parent_id, is_used)
+VALUES
+-- group
+('U071X','Garden buildings','group','U070',True);
+
+
+-- equivalent to 016 migration
+INSERT INTO reference_tables.buildings_landuse_group
+(landuse_id, description, parent_order_id)
+VALUES
+-- group
+('U071X','Garden buildings','U070');