feat(apisix): add Cloudron package

- Implements Apache APISIX packaging for Cloudron platform.
- Includes Dockerfile, CloudronManifest.json, and start.sh.
- Configured to use Cloudron's etcd addon.

🤖 Generated with Gemini CLI
Co-Authored-By: Gemini <noreply@google.com>

CloudronPackages/APISIX/apisix-source/ci/backup-docker-images.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+test_type=$1
+
+echo "started backing up, time: $(date)"
+mkdir docker-images-backup
+sum=$(cat ci/pod/docker-compose.$test_type.yml | grep image | wc -l)
+special_tag=$(cat ci/pod/docker-compose.$test_type.yml | grep image: | awk '{print $2}' | awk 'ORS=NR%"'$sum'"?" ":"\n"{print}')
+echo special: $special_tag
+openwhisk_tag="openwhisk/action-nodejs-v14:nightly openwhisk/standalone:nightly"
+echo
+echo special_tag: $special_tag
+echo openwhisk_tag: $openwhisk_tag
+echo
+all_tags="${special_tag} ${openwhisk_tag}"
+to_pull=""
+
+for tag in $all_tags
+do
+    if ! ( docker inspect $tag &> /dev/null )
+    then
+        to_pull="${to_pull} ${tag}"
+    fi
+done
+
+echo to pull : $to_pull
+
+if [[ -n $to_pull ]]
+then
+    echo "$to_pull" | xargs -P10 -n1 docker pull
+fi
+
+docker save $special_tag $openwhisk_tag -o docker-images-backup/apisix-images.tar
+echo "docker save done, time: $(date)"