revert(cistech-tunnel): restore to original working state at a7691b1

- Removed shared/ folder (host routing scripts)
- Restored original config.json, docker-compose.json
- Restored original Dockerfile and entrypoint.sh

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

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

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