Cleans up old images

.woodpecker.yaml

@@ -0,0 +1,14 @@
+when:
+  - event: cron
+    cron: "weekly" 
+  - event: push
+    branch: main
+
+steps:
+  deploy:
+    image: docker:28-cli
+    privileged: true
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    commands:
+      - docker system prune -af --volumes