feat: Initial commit Plants vs Zombies Web Edition v2.4

- 5 Biomes: Day, Night, Pool, Fog, Roof (25 Campaign levels)
- Minigames: Wall-nut Bowling, I Zombie, Roguelike, Boss Rush & Dr. Zomboss
- Systems: Zen Garden, Workshop Crafting, Almanac, Tree of Wisdom, Achievements
- Backend: REST API + SQLite Accounts & Save Synchronization
- Infrastructure: Nginx HTTPS & Docker deployment

nginx/conf.d/ai.qpid.pro.conf.ssl

@@ -0,0 +1,57 @@
+server {
+    listen 80;
+    listen [::]:80;
+    server_name ai.qpid.pro;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+    server_name ai.qpid.pro;
+
+    ssl_certificate /etc/letsencrypt/live/ai.qpid.pro/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/ai.qpid.pro/privkey.pem;
+
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_prefer_server_ciphers on;
+    ssl_ciphers HIGH:!aNULL:!MD5;
+    ssl_session_cache shared:SSL:10m;
+    ssl_session_timeout 1d;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Security Headers
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header Referrer-Policy "no-referrer-when-downgrade" always;
+
+    # Certbot webroot
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    # Bug Reports & Feedback API proxy
+    location /api/bugs {
+        proxy_pass http://172.19.0.1:8001/api/bugs;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    # SPA Fallback & Static asset serving
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}