Varaverk: FallBack + Watchdog tabs; plugin path restructure to Plugin/unraid/

- FallBack tab: per-node tier inventory + active fallback card with duration, tier, handback strikes, running container status
- Watchdog tab: live system health (RAM bar + thresholds, load, uptime, daemon), docker watchdog strikes + skip list + restart history, stability strikes + reboot log, resource pressure alert card, config inventory (mem limits, required, pause/stop lists)
- Swapped partnership/arrs tab order; FallBack between partnership and watchdog
- Plugin source tree moved from Plugin/usr/local/emhttp/plugins/varaverk/ to Plugin/unraid/
- Deployment/ conf templates added

Plugin/unraid/api/monitor.php

@@ -0,0 +1,30 @@
+<?php
+header('Content-Type: application/json');
+require_once dirname(__DIR__) . '/include/monitor.php';
+require_once dirname(__DIR__) . '/include/vms.php';
+require_once dirname(__DIR__) . '/include/docker_folders.php';
+
+echo json_encode([
+    'system'          => vv_system_info(),
+    'fallback'        => vv_fallback_state(),
+    'fallback_active' => vv_fallback_active(),
+    'partner'         => vv_partner_state(),
+    'resources'   => vv_system_resources(),
+    'cpu'         => vv_cpu_per_core(),
+    'mem'         => vv_memory_breakdown(),
+    'net'         => vv_network_stats(),
+    'gpu'         => vv_gpu_stats(),
+    'gpu_procs'   => vv_gpu_processes(),
+    'containers'  => vv_docker_containers(),
+    'stopped'     => vv_docker_stopped(),
+    'transcode'   => vv_transcode_sessions(),
+    'ups'         => vv_ups_stats(),
+    'parity'      => vv_parity_status(),
+    'storage'     => vv_storage_pools(),
+    'array_disks' => vv_array_disks(),
+    'scripts'        => vv_scripts_status(),
+    'thresholds'     => vv_disk_thresholds(),
+    'vms'            => vv_get_vms(),
+    'docker_folders' => vv_get_docker_folders(),
+    'ts'             => time(),
+]);