added linked_service table for portal link management

00-tables.sql

@@ -11,6 +11,10 @@ CREATE TYPE NodeType AS ENUM ('container', 'data', 'link', 'structured');
 CREATE TYPE LocationType AS ENUM ('async', 'portal', 'user');
 CREATE TYPE StorageType AS ENUM ('cold', 'hot', 'local', 'portal');
 
+CREATE TABLE linked_service (
+    service_id        SERIAL     NOT NULL,
+    service_base_url  VARCHAR    NOT NULL
+);
 
 CREATE TABLE storage (
     storage_id        SMALLSERIAL   NOT NULL,