feat: publish source-free deployment assets

000018_initial_setup.up.sql

@@ -0,0 +1,9 @@
+CREATE TABLE system_installation (
+  singleton boolean PRIMARY KEY DEFAULT true CHECK (singleton),
+  installation_id uuid NOT NULL DEFAULT gen_random_uuid(),
+  setup_completed_at timestamptz,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+INSERT INTO system_installation(singleton) VALUES(true);