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/example/apisix/plugins/3rd-party.lua

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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.
+--
+local core = require("apisix.core")
+
+
+local schema = {
+    type = "object",
+    properties = {
+        body = {
+            description = "body to replace response.",
+            type = "string"
+        },
+    },
+    required = {"body"},
+}
+
+local plugin_name = "3rd-party"
+
+local _M = {
+    version = 0.1,
+    priority = 12,
+    name = plugin_name,
+    schema = schema,
+}
+
+
+function _M.check_schema(conf)
+    return core.schema.check(schema, conf)
+end
+
+
+function _M.access(conf, ctx)
+    return 200, conf.body
+end
+
+
+return _M

CloudronPackages/APISIX/apisix-source/example/apisix/stream/plugins/3rd-party.lua

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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.
+--
+local core = require("apisix.core")
+
+
+local schema = {
+    type = "object",
+    properties = {
+        body = {
+            description = "body to replace response.",
+            type = "string"
+        },
+    },
+    required = {"body"},
+}
+
+local plugin_name = "3rd-party"
+
+local _M = {
+    version = 0.1,
+    priority = 12,
+    name = plugin_name,
+    schema = schema,
+}
+
+
+function _M.check_schema(conf)
+    return core.schema.check(schema, conf)
+end
+
+
+function _M.access(conf, ctx)
+    return 200, conf.body
+end
+
+
+return _M

CloudronPackages/APISIX/apisix-source/example/build-dev-image.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:20.04
+
+# Install Test::Nginx
+RUN apt update
+RUN apt install -y cpanminus make
+RUN cpanm --notest Test::Nginx
+
+# Install development utils
+RUN apt install -y sudo git gawk curl nano vim inetutils-ping
+
+WORKDIR /apisix
+
+ENV PERL5LIB=.:$PERL5LIB
+
+ENTRYPOINT ["tail", "-f", "/dev/null"]

CloudronPackages/APISIX/apisix-source/example/my_hook.lua

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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.
+--
+local apisix = require("apisix")
+
+local old_http_init = apisix.http_init
+apisix.http_init = function (...)
+    ngx.log(ngx.EMERG, "my hook works in http")
+    old_http_init(...)
+end
+
+local old_stream_init = apisix.stream_init
+apisix.stream_init = function (...)
+    ngx.log(ngx.EMERG, "my hook works in stream")
+    old_stream_init(...)
+end