wip for db_migrations for core schema

sql/pgsql/migrations/69.sql

@@ -0,0 +1,11 @@
+begin;
+
+create table ttrss_access_keys (id serial not null primary key,
+	access_key varchar(250) not null,
+	feed_id varchar(250) not null,
+	is_cat bool not null default false,
+	owner_uid integer not null references ttrss_users(id) on delete cascade);
+
+update ttrss_version set schema_version = 69;
+
+commit;