Add 'needs_update' column for scheduling feed refresh

config/migrate-scripts/migrate-db-701b5ea.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+psql invidious kemal -c "ALTER TABLE users ADD COLUMN feed_needs_update boolean"

config/sql/users.sql

@@ -12,6 +12,7 @@ CREATE TABLE public.users
   password text,
   token text,
   watched text[],
+  feed_needs_update boolean,
   CONSTRAINT users_email_key UNIQUE (email)
 );