wip for db_migrations for core schema

sql/pgsql/migrations/118.sql

@@ -0,0 +1,15 @@
+begin;
+
+create table ttrss_error_log(
+	id serial not null primary key,
+	owner_uid integer references ttrss_users(id) ON DELETE SET NULL,
+	errno integer not null,
+	errstr text not null,
+	filename text not null,
+	lineno integer not null,	
+	context text not null,
+	created_at timestamp not null);
+
+update ttrss_version set schema_version = 118;
+
+commit;