Enhance README and RPC for package management

- Added instructions to README.md for building an ISO from source and flashing it to USB.
- Introduced a new RPC method for package installation, including security checks and container management.
- Updated Docker and Podman integration in build scripts to support both container runtimes.
- Enhanced Nginx configuration for improved timeout settings and WebSocket support.
- Added new app metadata for additional applications in the Docker package scanner.

scripts/archipelago-tailscale.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Configure Nginx for Tailscale Access
+After=archipelago.service
+Requires=archipelago.service
+ConditionPathExists=/sys/class/net/tailscale0
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=/opt/archipelago/scripts/configure-tailscale-nginx.sh
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target

scripts/configure-tailscale-nginx.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+# Configure Nginx to listen on Tailscale IP address
+# This script should be run after Tailscale is set up and connected
+
+set -e
+
+echo "🔍 Detecting Tailscale IP..."
+
+# Get Tailscale IP from tailscale0 interface
+TAILSCALE_IP=$(ip -4 addr show tailscale0 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}' || echo "")
+
+if [ -z "$TAILSCALE_IP" ]; then
+    echo "❌ Tailscale interface not found. Is Tailscale running with host networking?"
+    exit 1
+fi
+
+echo "✅ Found Tailscale IP: $TAILSCALE_IP"
+
+NGINX_CONFIG="/etc/nginx/sites-available/archipelago"
+
+# Check if Tailscale IP is already in the config
+if grep -q "listen $TAILSCALE_IP:80" "$NGINX_CONFIG"; then
+    echo "✅ Nginx already configured for Tailscale IP $TAILSCALE_IP"
+    exit 0
+fi
+
+echo "📝 Adding Tailscale IP to Nginx configuration..."
+
+# Backup the config
+sudo cp "$NGINX_CONFIG" "$NGINX_CONFIG.backup.$(date +%s)"
+
+# Add Tailscale IP to listen directive (after the first "listen 80;")
+sudo sed -i "0,/listen 80;/s//listen 80;\n    listen $TAILSCALE_IP:80;/" "$NGINX_CONFIG"
+
+echo "🔍 Testing Nginx configuration..."
+sudo nginx -t
+
+echo "🔄 Reloading Nginx..."
+sudo systemctl reload nginx
+
+echo "✅ Nginx configured to accept connections from Tailscale!"
+echo "   Access your Archipelago UI via Tailscale at:"
+echo "   http://$(hostname).tail<your-tailnet>.ts.net/"