added settings for using php-docker

moneroffs.nginx.conf

+server {
+    listen 80;
+    listen [::]:80;
+
+    root /var/www/moneroffs/public;
+    index index.php index.html index.htm;
+
+    server_name moneroffs.test;
+
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+
+    location ~ \.php$ {
+        try_files $uri =404;
+        fastcgi_split_path_info ^(.+\.php)(/.+)$;
+        fastcgi_pass php:9000;
+        fastcgi_index index.php;
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param PATH_INFO $fastcgi_path_info;
+    }
+}
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