feat: move the terminal fully into the ssh-terminal plugin (B9)

plugins/ssh-terminal/migrations/mysql/0001_adopt_command_history.sql

@@ -0,0 +1,13 @@
+-- ssh-terminal 0001: adopt_command_history
+-- Generated by termix-plugin migrations. Review before committing.
+
+CREATE TABLE IF NOT EXISTS `command_history` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `user_id` varchar(255) NOT NULL,
+  `host_id` int NOT NULL,
+  `command` text NOT NULL,
+  `executed_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  FOREIGN KEY (`user_id`) REFERENCES `users` (`id`) ON DELETE CASCADE,
+  FOREIGN KEY (`host_id`) REFERENCES `ssh_data` (`id`) ON DELETE CASCADE
+);
+RENAME TABLE `command_history` TO `p_ssh_terminal_command_history`;