Fix image URL.

README.md

@@ -40,7 +40,7 @@ send a wake-on-LAN packet to. It expects plain TCP requests, not HTTP.
 ```bash
 $ sudo docker run --detach --name wake-on-lan-service --host network \
     --env PORT=18888
-    witten/wake-on-lan-service
+    projects.torsion.org/witten/wake-on-lan-service
 ```
 
 Or, with Docker Compose:
@@ -48,7 +48,7 @@ Or, with Docker Compose:
 ```yaml
 services:
   wake-on-lan-service:
-    image: witten/wake-on-lan-service
+    image: projects.torsion.org/witten/wake-on-lan-service
     restart: always
     network_mode: host
     environment: