Update Linux/Inadyn/README.md

Linux/Inadyn/README.md

@@ -7,6 +7,8 @@ This is made with the following example for DYNDNS Provider desec.io
 
 Change this in the config file (and maybe duplicate it for mutiple entries)
 
+
+## Example for desec.io
 ```javascript
 custom mydomain.dedyn.io {
         username        = mydomain.dedyn.io
@@ -21,6 +23,14 @@ custom mydomain.dedyn.io {
 }
 ```
 
+## Example for duckdns
+```javascript
+provider duckdns.org {
+    username         = mytoken
+    hostname         = mydomain.duckdns.org
+}
+```
+
 # Installcommands on Alpine Linux
 
 ```bash