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/plugins/ai-proxy.lua

@@ -0,0 +1,57 @@
+--
+-- 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 = require("apisix.plugins.ai-proxy.schema")
+local base = require("apisix.plugins.ai-proxy.base")
+
+local require = require
+local pcall = pcall
+
+local plugin_name = "ai-proxy"
+local _M = {
+    version = 0.5,
+    priority = 1040,
+    name = plugin_name,
+    schema = schema.ai_proxy_schema,
+}
+
+
+function _M.check_schema(conf)
+    local ok, err = core.schema.check(schema.ai_proxy_schema, conf)
+    if not ok then
+        return false, err
+    end
+    local ai_driver, err = pcall(require, "apisix.plugins.ai-drivers." .. conf.provider)
+    if not ai_driver then
+        core.log.warn("fail to require ai provider: ", conf.provider, ", err", err)
+        return false, "ai provider: " .. conf.provider .. " is not supported."
+    end
+    return ok
+end
+
+
+function _M.access(conf, ctx)
+    ctx.picked_ai_instance_name = "ai-proxy"
+    ctx.picked_ai_instance = conf
+    ctx.bypass_nginx_upstream = true
+end
+
+
+_M.before_proxy = base.before_proxy
+
+
+return _M