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/README.md

@@ -1,51 +0,0 @@
-# Rego Tunnel - Build Files
-
-This directory contains the Dockerfile and scripts to build the Cisco VPN Docker image.
-
-## Files
-
-- `Dockerfile` - Docker image definition (Ubuntu 22.04 + Cisco Secure Client + noVNC)
-- `cisco-secure-client-full.tar.gz` - Pre-extracted Cisco Secure Client 5.1.14.145
-- `build.sh` - Build and push script
-- `scripts/entrypoint.sh` - Container entrypoint (starts systemd)
-
-## Building
-
-```bash
-cd /etc/runtipi/repos/runtipi/apps/rego-tunnel/build
-./build.sh
-```
-
-This builds and pushes to `git.alexzaw.dev/alexz/cisco-vpn:latest`
-
-To build without pushing:
-```bash
-docker build -t git.alexzaw.dev/alexz/cisco-vpn:latest .
-```
-
-## What's in the image
-
-The Dockerfile creates an image with:
-- Ubuntu 22.04 with systemd
-- Cisco Secure Client 5.1.14.145 (VPN, DART, Posture modules)
-- TigerVNC server + noVNC (web-based VNC)
-- Tools: xdotool, oathtool (for TOTP), xclip, openbox
-
-### Systemd services (baked in)
-- `vpnagentd.service` - Cisco VPN agent
-- `vnc.service` - VNC server + noVNC websockify
-
-### Scripts (baked in via base64 in Dockerfile)
-- `/opt/scripts/startup-vnc.sh` - Starts VNC server and noVNC
-- `/opt/scripts/entrypoint.sh` - Container entrypoint
-
-## Runtime mounts (from shared/)
-
-When running as rego-tunnel app, these are mounted from `shared/`:
-- `/shared/cisco-vpn` - Main VPN automation script
-- `/shared/xstartup` → `/root/.vnc/xstartup` - VNC session startup
-
-## Ports
-
-- `5901` - VNC server
-- `6080` - noVNC web interface