add schema

schema.sql

@@ -0,0 +1,24 @@
+CREATE TABLE child_address_t (
+  child INTEGER REFERENCES child_t(id), 
+  address TEXT
+);
+
+CREATE TABLE child_t (
+  id INTEGER PRIMARY KEY, 
+  name TEXT, 
+  delegate TEXT
+);
+
+CREATE TABLE whitelist_t (
+  child INTEGER REFERENCES child_t(id), 
+  address TEXT
+);
+
+CREATE VIEW child_v AS 
+  SELECT c.id as id, 
+         c.delegate as delegate, 
+         ca.address as address 
+  FROM child_t c, 
+       child_address_t ca 
+  WHERE c.id = ca.child;
+