added documentation

docs/caddy.md

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+# Install guide for Caddy webserver
+
+1. Install dependencies:
+
+`sudo apt install caddy php8.2-dom php8.2-imagick imagemagick php8.2-curl curl php8.2-apcu git`
+
+2. Clone this repository where you want to host this from:
+
+`cd /var/www && sudo git clone https://git.konakona.moe/diowo/4get`
+
+3. Set permission on the `icons` directory inside `4get`
+
+`cd /var/www/4get/ && sudo chmod 777 -R icons/`
+
+4. Add an entry for 4get on your Caddyfile at `/etc/caddy/Caddyfile`
+
+```sh
+4get.konakona.moe {
+    root * /var/www/4get
+    file_server
+    encode gzip
+    php_fastcgi unix//var/run/php/php8.2-fpm.sock {
+        index index.php
+    }
+    redir /{path}.php{query} 301
+    try_files {path} {path}.php
+}
+```
+
+Caddy deals with SSL certificates automatically so you don't have to mess with anything. Also if needed, a sample of my Caddyfile can be found [here](https://git.konakona.moe/diowo/misc/src/branch/master/etc/caddy/Caddyfile).
+
+5. Restart Caddy
+
+`sudo systemctl restart caddy`
+
+# Encryption setup
+I'm schizoid (as you should) so I'm gonna setup 4096bit key encryption. To complete this step, you need a domain or subdomain in your possession. Make sure that the DNS shit for your domain has propagated properly before continuing, because certbot is a piece of shit that will error out the ass once you reach 5 attempts under an hour.
+
+## Encryption setup on Apache
+
+```sh
+certbot --apache --rsa-key-size 4096 -d www.yourdomain.com -d yourdomain.com
+```
+When it asks to choose a vhost, choose the option with "HTTPS" listed. Don't setup HTTPS for tor, we don't need it (it doesn't even work anyways with let's encrypt)
+
+Edit `000-default-le-ssl.conf`
+
+Add this at the end:
+```xml
+<Directory /var/www/html/4get>
+	RewriteEngine On
+	RewriteCond %{REQUEST_FILENAME}.php -f
+	RewriteRule (.*) $1.php [L]
+	Options Indexes FollowSymLinks
+	AllowOverride All
+	Require all granted
+</Directory>
+```