feat: move proxmox node stats and collectors into the proxmox plugin

plugins/proxmox/migrations/mysql/0001_adopt_proxmox_stats.sql

@@ -0,0 +1,26 @@
+-- proxmox 0001: adopt_proxmox_stats
+-- Generated by termix-plugin migrations. Review before committing.
+
+CREATE TABLE IF NOT EXISTS `proxmox_node_history` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `host_id` int NOT NULL,
+  `ts` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  `cpu_percent` double,
+  `mem_percent` double,
+  `disk_percent` double,
+  `net_rx_bytes` int,
+  `net_tx_bytes` int,
+  FOREIGN KEY (`host_id`) REFERENCES `ssh_data` (`id`) ON DELETE CASCADE
+);
+RENAME TABLE `proxmox_node_history` TO `p_proxmox_node_history`;
+CREATE TABLE IF NOT EXISTS `proxmox_stats_preferences` (
+  `id` int AUTO_INCREMENT PRIMARY KEY,
+  `user_id` varchar(255) NOT NULL,
+  `host_id` int NOT NULL,
+  `layout` text NOT NULL,
+  `created_at` text NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+  `updated_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 `proxmox_stats_preferences` TO `p_proxmox_stats_preferences`;