added documentation

docs/nginx.md

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+# Install on NGINX
+
+>I do NOT recommend following this guide, only follow this if you *really* need to use nginx. I recommend you use the apache2 steps instead.
+
+Login as root.
+
+Create a file in `/etc/nginx/sites-avaliable/` called `4get.conf` or any name you want and put this into the file:
+
+```
+server {
+    # DO YOU REALLY NEED TO LOG SEARCHES?
+    access_log /dev/null;
+    error_log /dev/null;
+    # Change this if you have 4get in other folder.
+    root /var/www/4get;
+    # Change yourdomain by your domain lol
+    server_name www.yourdomain.com yourdomain.com;
+
+    location @php {
+        try_files $uri.php $uri/index.php =404;
+                # Change the unix socket address if it's different for you.
+        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
+        fastcgi_index index.php;
+                # Change this to `fastcgi_params` if you use a debian based distro.
+        include fastcgi.conf;
+        fastcgi_intercept_errors on;
+    }
+
+    location / {
+        try_files $uri @php;
+    }
+
+    location ~* ^(.*)\.php$ {
+        return 301 $1;
+    }
+
+        listen 80;
+}
+```
+
+That is a very basic config so you will need to adapt it to your needs in case you have a more complicated nginx configuration. Anyways, you can see a real world example [here](https://git.zzls.xyz/Fijxu/etc-configs/src/branch/selfhost/nginx/sites-available/4get.zzls.xyz.conf)
+
+After you save the file you will need to do a symlink of the `4get.conf` file to `/etc/nignx/sites-enabled/`, you can do it with this command: 
+
+```sh
+ln -s /etc/nginx/sites-available/4get.conf /etc/nginx/sites-available/4get.conf
+```
+
+Now test the nginx config with `nginx -t`, if it says that everything is good, restart nginx using `systemctl restart nginx`
+
+# Encryption setup
+
+Generate a certificate for the domain using:
+
+```sh
+certbot --nginx --key-type ecdsa -d www.yourdomain.com -d yourdomain.com
+```
+(Remember to install the nginx certbot plugin!!!)
+
+After doing that certbot should deploy the certificate automatically into your 4get nginx config file. It should be ready to use at that point.
+
+# Tor setup on NGINX
+
+Important Note: Tor onion addresses are significantly longer than traditional domain names. Before proceeding with Nginx configuration, ensure you increase the `server_names_hash_bucket_size` value in your `nginx.conf` file. This setting in your Nginx configuration controls the internal data structure used to manage multiple server names (hostnames) associated with your web server. Each hostname requires a certain amount of memory within this structure. If the size is insufficient, Nginx will encounter errors.
+
+1. Open your `nginx.conf` file (that is under `/etc/nginx/nginx.conf`).
+2. Find the line containing `# server_names_hash_bucket_size 64;`.
+3. Uncomment the line and adjust the value. Start with 64, but if you encounter issues, incrementally increase it (e.g., 128, 256) until it accommodates your configuration.
+
+Open your current 4get NGINX config (that is under `/etc/nginx/sites-available/`) and append this to the end of the file:
+
+```
+server {
+	access_log /dev/null;
+	error_log /dev/null;
+
+    listen 80;
+    server_name <youronionaddress>;
+    root /var/www/4get;
+
+    location @php {
+        try_files $uri.php $uri/index.php =404;
+        # Change the unix socket address if it's different for you.
+        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
+        fastcgi_index index.php;
+        # Change this to `fastcgi_params` if you use a debian based distro.
+        include fastcgi.conf;
+        fastcgi_intercept_errors on;
+    }
+
+    location / {
+        try_files $uri @php;
+    }
+
+    location ~* ^(.*)\.php$ {
+        return 301 $1;
+    }
+}
+```
+
+Obviously replace `<youronionaddress>` by the onion address of `/var/lib/tor/4get/hostname` and then check if the nginx config is valid with `nginx -t` if yes, then restart the nginx service and try opening the onion address into the Tor Browser. You can see a real world example [here](https://git.zzls.xyz/Fijxu/etc-configs/src/branch/selfhost/nginx/sites-available/4get.zzls.xyz.conf)
+
+Once you did the above, refer to <a href="https://git.lolcat.ca/lolcat/4get/src/branch/master/docs/tor.md">this tor guide</a> to setup your onionsite.