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/log.php

@@ -0,0 +1,30 @@
+<?php
+header('Content-Type: application/json');
+require_once dirname(__DIR__) . '/include/scheduler.php';
+
+$id = trim($_SERVER['REQUEST_METHOD'] === 'POST' ? ($_POST['id'] ?? '') : ($_GET['id'] ?? ''));
+
+if (!$id || !preg_match('/^[a-zA-Z0-9_.\/\-]+\.sh$/', $id) || str_contains($id, '..')) {
+    echo json_encode(['ok' => false, 'error' => 'Invalid job id']);
+    exit;
+}
+
+$logFile = vv_job_log_path($id);
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST' && !empty($_POST['clear'])) {
+    if (file_exists($logFile)) file_put_contents($logFile, '');
+    echo json_encode(['ok' => true]);
+    exit;
+}
+
+if (!file_exists($logFile)) {
+    echo json_encode(['ok' => true, 'content' => '', 'ts' => 0]);
+    exit;
+}
+
+$lines = array_slice(file($logFile) ?: [], -200);
+echo json_encode([
+    'ok'      => true,
+    'content' => implode('', $lines),
+    'ts'      => filemtime($logFile),
+]);