Foreign keys in messages now delete when parent key is deleted

server-api/migrations/2020-03-11-005217_channels/up.sql

@@ -1,7 +1,7 @@
 CREATE TABLE IF NOT EXISTS `channels` (
     `id` BIGINT UNSIGNED NOT NULL auto_increment,
     `name` UNIQUE VARCHAR(255) NOT NULL,
-    `description` VARCHAR(1024),
+    `description` VARCHAR(4096),
     `kind` INTEGER NOT NULL,
     PRIMARY KEY(`id`), UNIQUE KEY(`name`)
 );