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

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

@@ -0,0 +1,27 @@
+-- proxmox 0001: adopt_proxmox_stats
+-- Generated by termix-plugin migrations. Review before committing.
+
+CREATE TABLE IF NOT EXISTS "proxmox_node_history" (
+  "id" integer PRIMARY KEY AUTOINCREMENT,
+  "host_id" integer NOT NULL,
+  "ts" text NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  "cpu_percent" real,
+  "mem_percent" real,
+  "disk_percent" real,
+  "net_rx_bytes" integer,
+  "net_tx_bytes" integer,
+  FOREIGN KEY ("host_id") REFERENCES "ssh_data" ("id") ON DELETE CASCADE
+);
+ALTER TABLE "proxmox_node_history" RENAME TO "p_proxmox_node_history";
+CREATE TABLE IF NOT EXISTS "proxmox_stats_preferences" (
+  "id" integer PRIMARY KEY AUTOINCREMENT,
+  "user_id" text NOT NULL,
+  "host_id" integer 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
+);
+CREATE UNIQUE INDEX IF NOT EXISTS "idx_proxmox_stats_prefs_user_host" ON "proxmox_stats_preferences" ("user_id", "host_id");
+ALTER TABLE "proxmox_stats_preferences" RENAME TO "p_proxmox_stats_preferences";