initial pass for forgot password

controller/store/sql/postgresql/006_v0_3_0_password_reset_requests.sql

@@ -0,0 +1,15 @@
+-- +migrate up
+
+--
+-- password_reset_requests
+---
+
+create table password_reset_requests (
+  id                    serial                primary key,
+  token                 varchar(32)           not null unique,
+  created_at            timestamptz           not null default(current_timestamp),
+  updated_at            timestamptz           not null default(current_timestamp),
+  account_id            integer               not null unique constraint fk_accounts_password_reset_requests references accounts on delete cascade,
+
+  constraint chk_token check(token <> '')
+);