Update docker-compose.yml

Update image to reflect organizational changes

examples/homepage/docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3.3"
 services:
   homepage:
-    image: ghcr.io/benphelps/homepage:latest
+    image: ghcr.io/gethomepage/homepage:latest
     container_name: homepage
     restart: unless-stopped
     ports: