perm and message channel col rename

.dockerignore

@@ -7,5 +7,5 @@ docker-compose.yml
 .gitignore
 .idea
 
-data/main.sqlite
+data/main-pc.sqlite
 data/backups

data/migrations/0001_overjoyed_betty_brant.sql

@@ -0,0 +1,9 @@
+ALTER TABLE `schedule` RENAME COLUMN `user_id` TO `message_channel_id`;--> statement-breakpoint
+/*
+ SQLite does not support "Drop not null from column" out of the box, we do not generate automatic migration for that, so it has to be done manually
+ Please refer to: https://www.techonthenet.com/sqlite/tables/alter_table.php
+                  https://www.sqlite.org/lang_altertable.html
+                  https://stackoverflow.com/questions/2083543/modify-a-columns-type-in-sqlite3
+
+ Due to that we don't generate migration automatically and it has to be done manually
+*/