feat: Add bin directory for management scripts

- Add bin/cleanup.sh for system cleanup
- Add bin/docker-manage.sh for Docker management utilities

💘 Generated with Crush

Assisted-by: GLM-4.6 via Crush <crush@charm.land>

bin/cleanup.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+# Self-destruct script to remove Docker containers created by the build process
+set -euo pipefail
+
+# Remove the knel-football-builder container if it exists
+if docker ps -a --format '{{.Names}}' | grep -q "^knel-football-builder$"; then
+  echo "Removing knel-football-builder container..."
+  docker rm -f knel-football-builder
+fi
+
+# Remove any anonymous containers related to this project
+echo "Removing anonymous containers..."
+docker ps -a --filter "label=project=knel-football" -q | xargs -r docker rm -f
+
+echo "Self-destruct completed."