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/Dockerfile

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+#
+# 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.
+#
+
+FROM ubuntu:24.04
+
+RUN apt update && export DEBIAN_FRONTEND=noninteractive \
+    && apt install -y sudo git make gcc tini
+
+COPY Makefile .requirements apisix-master-0.rockspec ./
+COPY utils/install-dependencies.sh utils/linux-install-luarocks.sh utils/
+
+RUN make install-runtime
+
+RUN cpanm --notest Test::Nginx IPC::Run > build.log 2>&1 || (cat build.log && exit 1)
+
+ARG ETCD_VER=v3.5.17
+ARG BUILDARCH
+RUN curl -L https://github.com/etcd-io/etcd/releases/download/${ETCD_VER}/etcd-${ETCD_VER}-linux-${BUILDARCH}.tar.gz -o /tmp/etcd-${ETCD_VER}-linux-${BUILDARCH}.tar.gz \
+    && mkdir -p /tmp/etcd-download-test \
+    && tar xzvf /tmp/etcd-${ETCD_VER}-linux-${BUILDARCH}.tar.gz -C /tmp/etcd-download-test --strip-components=1 \
+    && mv /tmp/etcd-download-test/etcdctl /usr/bin \
+    && rm -rf /tmp/*
+
+ENTRYPOINT [ "tini", "--" ]

CloudronPackages/APISIX/apisix-source/.devcontainer/devcontainer.json

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+{
+  "name": "APISIX",
+  "dockerComposeFile": ["docker-compose.yml"],
+  "service": "apisix",
+  "workspaceFolder": "/workspace",
+  "privileged": true,
+  "postCreateCommand": "bash -c 'cd /workspace && rm -rf test-nginx && git config --global --add safe.directory /workspace && git submodule update --init --recursive && git clone https://github.com/openresty/test-nginx.git --depth 1 --single-branch -b master && make deps'",
+  "customizations": {
+    "vscode": {
+      "extensions": ["ms-vscode.makefile-tools", "ms-azuretools.vscode-docker", "sumneko.lua"]
+    }
+  },
+  "forwardPorts": [9080, 9180, 2379]
+}

CloudronPackages/APISIX/apisix-source/.devcontainer/docker-compose.yml

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+#
+# 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: