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-drivers/schema.lua

@@ -0,0 +1,44 @@
+--
+-- 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 _M = {}
+
+_M.chat_request_schema = {
+    type = "object",
+    properties = {
+        messages = {
+            type = "array",
+            minItems = 1,
+            items = {
+                properties = {
+                    role = {
+                        type = "string",
+                        enum = {"system", "user", "assistant"}
+                    },
+                    content = {
+                        type = "string",
+                        minLength = "1",
+                    },
+                },
+                additionalProperties = false,
+                required = {"role", "content"},
+            },
+        }
+    },
+    required = {"messages"}
+}
+
+return  _M