storage/sql: add password resource

storage/sql/migrate.go

@@ -137,6 +137,13 @@ var migrations = []migration{
 				connector_id text not null,
 				connector_data bytea
 			);
+
+			create table password (
+				email text not null primary key,
+				hash bytea not null,
+				username text not null,
+				user_id text not null
+			);
 		
 			-- keys is a weird table because we only ever expect there to be a single row
 			create table keys (