Refactor Nginx config: improve proxy setup for Bitwarden with upstream directives, better WebSocket and HTTP/2 support; add Laravel template configuration.

sites-available/laravel_template

@@ -0,0 +1,34 @@
+server {
+    listen 80;
+    server_name example.com;
+    root /example.com/public;
+
+    add_header X-Frame-Options "SAMEORIGIN";
+    add_header X-XSS-Protection "1; mode=block";
+    add_header X-Content-Type-Options "nosniff";
+
+    index index.html index.htm index.php;
+
+    charset utf-8;
+
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+
+    location = /favicon.ico { access_log off; log_not_found off; }
+    location = /robots.txt  { access_log off; log_not_found off; }
+
+    error_page 404 /index.php;
+
+    location ~ \.php$ {
+        fastcgi_split_path_info ^(.+\.php)(/.+)$;
+        fastcgi_pass unix:/var/run/php/php7.1-fpm.sock;
+        fastcgi_index index.php;
+        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
+        include fastcgi_params;
+    }
+
+    location ~ /\.(?!well-known).* {
+        deny all;
+    }
+}