Add table scada_model

script/sql/create/29.scada_model.sql

@@ -0,0 +1,13 @@
+create type scada_type as enum ('PRESSURE', 'DEMAND', 'QUALITY', 'LEVEL', 'FLOW');
+
+create table scada_model
+(
+  id text primary key
+, x numeric not null
+, y numeric not null
+, device_id text not null unique
+, device_name text
+, address text
+, type scada_type
+, model_id varchar(32) -- add constraint in API
+);

script/sql/drop/29.scada_model.sql

@@ -0,0 +1,3 @@
+drop table if exists scada_model;
+
+drop type if exists scada_type;