revert(cistech-tunnel): restore to working state at 5d54ed6

- Removed build/ folder
- Restored source/ folder with original Dockerfile and entrypoint.sh
- Reverted config files to original working state
- Cleaned up shared/ to only contain host routing scripts

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

apps/cistech-tunnel/build/scripts/entrypoint.sh

@@ -1,45 +0,0 @@
-#!/bin/bash
-# Entrypoint: VNC password setup + DNS fix + direct VNC start (no systemd)
-
-set -euo pipefail
-
-export HOME='/root'
-export USER='root'
-export DISPLAY=:1
-
-# Setup TigerVNC password file from env var (passed by runtipi)
-if [ -n "${VNC_PASSWORD:-}" ]; then
-    mkdir -p /root/.vnc
-    printf '%s\n%s\n' "$VNC_PASSWORD" "$VNC_PASSWORD" | vncpasswd -f > /root/.vnc/passwd
-    chmod 600 /root/.vnc/passwd
-fi
-
-# DNS fix
-cp /etc/resolv.conf /tmp/resolv.conf.bak 2>/dev/null || true
-cp /etc/hosts /tmp/hosts.bak 2>/dev/null || true
-umount /etc/resolv.conf 2>/dev/null || true
-umount /etc/hosts 2>/dev/null || true
-cat /tmp/resolv.conf.bak > /etc/resolv.conf 2>/dev/null || echo "nameserver 8.8.8.8" > /etc/resolv.conf
-cat /tmp/hosts.bak > /etc/hosts 2>/dev/null || echo "127.0.0.1 localhost" > /etc/hosts
-
-# Enable IP forwarding
-echo 1 > /proc/sys/net/ipv4/ip_forward
-echo "[entrypoint] IP forwarding enabled"
-
-# Clean up stale VNC locks
-rm -f /tmp/.X1-lock /tmp/.X11-unix/X1 2>/dev/null || true
-
-# Start TigerVNC server
-echo "[entrypoint] Starting TigerVNC server on display :1..."
-vncserver :1 -geometry 1280x800 -depth 24 -SecurityTypes VncAuth -localhost no
-
-sleep 2
-
-# Start noVNC via websockify
-echo "[entrypoint] Starting noVNC on port ${NOVNC_PORT:-6092}..."
-websockify --web=/usr/share/novnc/ ${NOVNC_PORT:-6092} localhost:5901 &
-
-echo "[entrypoint] VNC ready. Use noVNC at http://localhost:${NOVNC_PORT:-6092}/vnc.html"
-
-# Keep container running and tail logs
-tail -f /root/.vnc/*.log 2>/dev/null || tail -f /dev/null