BitcoinVerde Flipstarter nginx config

config

```
server {
        server_name fund.mainnet-pat.me;

        location / {
                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;
                proxy_connect_timeout 7d;
                proxy_send_timeout 7d;
                proxy_read_timeout 7d;
                chunked_transfer_encoding off;
                proxy_buffering off;

                proxy_pass http://127.0.0.1:3000;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection "upgrade";

        }


    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/fund.mainnet-pat.me/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/fund.mainnet-pat.me/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
```