Add the SQL for the demo

debian/control

@@ -46,3 +46,14 @@ Description: Simple invoicing and accounting web application
  contractors working in Spain.
  .
  This is the Sqitch migration package.
+
+Package: numerus-demo
+Architecture: all
+Depends:
+  ${misc:Depends},
+  sqitch
+Description: Simple invoicing and accounting web application
+ A simple web application to keep invoice and accouting records, intended for
+ contractors working in Spain.
+ .
+ This is the demo SQL script.

debian/numerus-demo.install

@@ -0,0 +1 @@
+demo/demo.sql usr/share/numerus

demo/demo.sql

@@ -0,0 +1,10 @@
+begin;
+
+set search_path to auth, numerus, public;
+
+insert into auth."user" (email, name, password, role)
+values ('demo@numerus', 'Demo User', 'demo', 'invoicer')
+     , ('admin@numerus', 'Demo Admin', 'admin', 'admin')
+;
+
+commit;