Add install/uninstall scripts for host systemd services

- install-host-services.sh: Creates watcher path/service units
- uninstall-host-services.sh: Removes units and cleans up
- Run once on host after app install

apps/rego-tunnel/shared/uninstall-host-services.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+#
+# Uninstall host-side systemd services for rego-tunnel
+#
+set -euo pipefail
+
+echo "Removing rego-tunnel host services..."
+
+# Stop and disable the watcher
+sudo systemctl stop rego-routing-watcher.path 2>/dev/null || true
+sudo systemctl disable rego-routing-watcher.path 2>/dev/null || true
+
+# Remove routing rules
+/etc/runtipi/repos/runtipi/apps/rego-tunnel/shared/host-routing.sh stop 2>/dev/null || true
+
+# Remove systemd units
+sudo rm -f /etc/systemd/system/rego-routing-watcher.path
+sudo rm -f /etc/systemd/system/rego-routing-watcher.service
+
+# Reload systemd
+sudo systemctl daemon-reload
+
+echo ""
+echo "Done! Host services removed."