Add go files from previous project

ddl.sql

@@ -0,0 +1,19 @@
+begin transaction;
+
+create table Bill (
+	id integer PRIMARY KEY AUTOINCREMENT,
+	name TEXT not null
+);
+create index Bill_name on Bill (name);
+
+create table Payment (
+	id integer PRIMARY KEY AUTOINCREMENT,
+	billid integer,
+	monthFor date not null,
+	paymentDate date
+);
+create unique index Payment_billid_monthFor_unique on Payment (billid, monthFor);
+create index Payment_billid on Payment (billid);
+create index Payment_monthFor on Payment (monthFor);
+
+commit;