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/event/disks_mounted/array_start_jobs

@@ -0,0 +1,16 @@
+#!/bin/bash
+# Varaverk: fire all jobs with cron=array_start (background — non-blocking).
+php -r "
+require_once '/usr/local/emhttp/plugins/varaverk/include/scheduler.php';
+\$s      = vv_schedule_load();
+\$runner = '/usr/local/emhttp/plugins/varaverk/run_job.sh';
+foreach (\$s as \$id => \$e) {
+    if (strncmp(\$id, '__', 2) === 0) continue;
+    if ((\$e['cron'] ?? '') !== 'array_start') continue;
+    if (empty(\$e['enabled'])) continue;
+    \$script = SCRIPTS_DIR . '/' . \$id;
+    if (!file_exists(\$script)) continue;
+    \$flags = !empty(\$e['log_enabled']) ? ' --log' : '';
+    exec('nohup bash ' . escapeshellarg(\$runner) . ' ' . escapeshellarg(\$id) . ' ' . escapeshellarg(\$script) . \$flags . ' > /dev/null 2>&1 &');
+}
+" 2>/dev/null