Initial commit: complete WebsiteBox project

Docker-based self-hosted WordPress deployment system with:
- Four-container stack (nginx, wordpress/php-fpm, mariadb, certbot)
- Automatic SSL via Let's Encrypt with self-signed fallback
- First-boot WordPress setup via WP-CLI (GeneratePress + child theme, plugins)
- Interactive setup wizard and one-line install script
- Backup, update, healthcheck, and SSL renewal scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

nginx/Dockerfile

@@ -0,0 +1,20 @@
+FROM nginx:alpine
+
+RUN apk add --no-cache \
+    curl \
+    certbot \
+    openssl \
+    inotify-tools \
+    bash
+
+COPY nginx.conf /etc/nginx/nginx.conf
+COPY wordpress.conf /etc/nginx/conf.d/default.conf
+COPY wordpress-ssl.conf /etc/nginx/conf.d/wordpress-ssl.conf.disabled
+COPY ssl-params.conf /etc/nginx/snippets/ssl-params.conf
+COPY entrypoint.sh /entrypoint.sh
+
+RUN chmod +x /entrypoint.sh && \
+    mkdir -p /etc/nginx/snippets /var/www/certbot /var/run/certbot-signal
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["nginx", "-g", "daemon off;"]