feat: add nginx config for docs site serving

apps/docs/nginx.conf

@@ -0,0 +1,17 @@
+server {
+    listen 80;
+    root /usr/share/nginx/html;
+
+    gzip on;
+    gzip_vary on;
+    gzip_types text/plain text/css application/javascript application/json image/svg+xml;
+
+    location ~* \.(js|css|woff2|svg|ico|png|jpg|webp)$ {
+        expires 1y;
+        add_header Cache-Control "public, immutable";
+    }
+
+    location / {
+        try_files $uri $uri.html $uri/ /index.html;
+    }
+}