Add Caddy Server Support Alongside Nginx (#600)

* added enum

* add config for caddy

* add svg icon

* add caddy service class

* wip

* install caddy

* create base Caddyfile with common snippets

* Create a systemd service to run Caddy in the background.

* create uninstall file

* wip

* create path

* create vhost

* get vhost

* delete site

* add php version change file

* add custom ssl

* create redirect file

* add vhost for caddy site & load balancer

* update svg

* fix caddy icon

* fix style

* add systemctl reload method

* Reload systemd after modifying the Caddy service file.

* add caddy

* added tests

* format with pint

* prevent multiple web server installations

* added error log & access log

resources/views/ssh/services/webserver/caddy/create-vhost.blade.php

@@ -0,0 +1,7 @@
+if ! sudo ln -s /etc/caddy/sites-available/{{ $domain }} /etc/caddy/sites-enabled/; then
+    echo 'VITO_SSH_ERROR' && exit 1
+fi
+
+if ! sudo service caddy restart; then
+    echo 'VITO_SSH_ERROR' && exit 1
+fi