added DNS settings

VPS-caddy/DNS-settings

@@ -0,0 +1,20 @@
+# If your main domain is mydomain.com, the following settings will
+# setup a wildcard setting so you can use *.home.mydomain.com for all your services.
+# For example: jellyfin.home.mydomain.com / books.home.mydomain.com etc.
+
+```
+DNS SETTINGS
+--------------------
+NAME TYPE TTL VALUE
+--------------------
+* A 3600 183.11.113.0
+
+# A record that makes all requests go to mydomain.com
+
+*.home A 183.11.113.0
+
+# A record that setups a subdomain so immich.home.mydomain.com or jellyfin.home.mydomain.com can be used.
+```
+
+# I set this up on a subdomain so I can use the main domain for other servers.
+# Maybe I have a server called ninja, I could setup another A record for *.ninja and have jellyfin.ninja.mydomain.com

VPS-caddy/README.md

@@ -5,3 +5,4 @@ https://blog.arkadi.one/p/run-your-homelab-behind-your-vps/
 - Dockerfile - to build a custom Caddy executable with gandi registrar module
 - docker-compose.yml - to run Caddy
 - Caddyfile - your caddy settings for a wildcard DNS
+- DNS-settings - gives you an idea how to setup your DNS for wildcard certificates