list dependencies in readme for usage from other machines

Signed-off-by: Michael Woolweaver <[email protected]>

Author: mwoolweaver

README.md

@@ -46,6 +46,12 @@ PADD (formerly Chronometer2) is a more expansive version of the original chronom
   ./padd.sh --server <DOMAIN|IP>
   ```
 
+#### Dependencies
+  - curl
+  - jq
+  - dig
+
+
 ### Authentication
 
 Pi-hole v6 uses a completely new API with a new authentication mechanism