Add build files with SSH client, VPN scripts, and auto-setup

Includes:
- Dockerfile extending dockurr/windows with openssh-client
- SSH key for Windows VM access
- Startup script for network setup and script deployment
- VPN automation scripts (vpn-login.js, socks5.js, vpn.bat)
- Windows setup scripts (install-nodejs.ps1, setup-autologin-sshd.ps1, setup-ssh-keys.ps1)
- Technical README

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

apps/rego-tunnel/build/Dockerfile

@@ -0,0 +1,29 @@
+FROM dockurr/windows:latest
+
+# Install SSH client and utilities
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    openssh-client \
+    sshpass \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create SSH directory
+RUN mkdir -p /root/.ssh && chmod 700 /root/.ssh
+
+# Copy SSH key for Windows VM access
+COPY id_ed25519-lenovo /root/.ssh/id_ed25519-lenovo
+RUN chmod 600 /root/.ssh/id_ed25519-lenovo
+
+# Create directory for VPN scripts
+RUN mkdir -p /opt/rego-scripts
+
+# Copy all VPN/setup scripts
+COPY scripts/ /opt/rego-scripts/
+RUN chmod +x /opt/rego-scripts/*.js /opt/rego-scripts/*.bat 2>/dev/null || true
+
+# Copy custom startup hook
+COPY rego-startup.sh /etc/cont-init.d/99-rego-startup
+RUN chmod +x /etc/cont-init.d/99-rego-startup
+
+LABEL maintainer="alexz"
+LABEL description="dockurr/windows with SSH client, VPN scripts, and rego-tunnel customizations"