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/t/cli/test_makefile.sh

@@ -0,0 +1,42 @@
+#!/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.
+#
+
+. ./t/cli/common.sh
+
+make run
+
+echo "
+deployment:
+    admin:
+        admin_listen:
+            ip: 127.0.0.2
+            port: 9181
+apisix:
+  enable_admin: true
+" > conf/config.yaml
+
+make reload
+make stop
+
+if ! grep "listen 127.0.0.2:9181;" conf/nginx.conf > /dev/null; then
+    echo "failed: regenerate nginx conf in 'make reload'"
+    exit 1
+fi
+
+echo "passed: regenerate nginx conf in 'make reload'"