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/.devcontainer/docker-compose.yml

@@ -0,0 +1,37 @@
+#
+# 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.
+#
+
+services:
+  apisix:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+    command: sleep infinity
+    volumes:
+      - ..:/workspace:cached
+    network_mode: service:etcd
+  etcd:
+    image: bitnami/etcd:3.5
+    volumes:
+      - etcd_data:/bitnami/etcd
+    environment:
+      ALLOW_NONE_AUTHENTICATION: "yes"
+      ETCD_ADVERTISE_CLIENT_URLS: "http://127.0.0.1:2379"
+      ETCD_LISTEN_CLIENT_URLS: "http://0.0.0.0:2379"
+
+volumes:
+  etcd_data: