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/apisix/script.lua

@@ -0,0 +1,59 @@
+--
+-- 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 require    = require
+local core       = require("apisix.core")
+local loadstring = loadstring
+local error      = error
+
+
+local _M = {}
+
+
+function _M.load(route, api_ctx)
+    local script = route.value.script
+    if script == nil or script == "" then
+        error("missing valid script")
+    end
+
+    local loadfun, err = loadstring(script, "route#" .. route.value.id)
+    if not loadfun then
+        error("failed to load script: " .. err .. " script: " .. script)
+        return nil
+    end
+    api_ctx.script_obj = loadfun()
+end
+
+
+function _M.run(phase, api_ctx)
+    local obj = api_ctx and api_ctx.script_obj
+    if not obj then
+        core.log.error("missing loaded script object")
+        return api_ctx
+    end
+
+    core.log.info("loaded script_obj: ", core.json.delay_encode(obj, true))
+
+    local phase_func = obj[phase]
+    if phase_func then
+        phase_func(api_ctx)
+    end
+
+    return api_ctx
+end
+
+
+return _M