fix docker image in compose file

docker-compose.yml

@@ -13,7 +13,7 @@ version: '3.9'
 services:
     archivebox:
         #image: ${DOCKER_IMAGE:-archivebox/archivebox:dev}
-        image: archivebox:dev
+        image: archivebox/archivebox:dev
         command: server --quick-init 0.0.0.0:8000
         ports:
             - 8000:8000