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/t/lib/grafana_loki.lua

@@ -0,0 +1,63 @@
+--
+-- 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 cjson = require("cjson")
+local http = require("resty.http")
+
+local _M = {}
+
+
+function _M.fetch_logs_from_loki(from, to, options)
+    options = options or {}
+
+    local direction = options.direction or "backward"
+    local limit = options.limit or "10"
+    local query = options.query or [[{job="apisix"} | json]]
+    local url = options.url or "http://127.0.0.1:3100/loki/api/v1/query_range"
+    local headers = options.headers or {
+        ["X-Scope-OrgID"] = "tenant_1"
+    }
+
+    local httpc = http.new()
+    local res, err = httpc:request_uri(url, {
+        query = {
+            start = from,
+            ["end"] = to,
+            direction = direction,
+            limit = limit,
+            query = query,
+        },
+        headers = headers
+    })
+
+    if not res or err then
+        return nil, err
+    end
+
+    if res.status > 300 then
+        return nil, "HTTP status code: " .. res.status .. ", body: " .. res.body
+    end
+
+    local data = cjson.decode(res.body)
+    if not data then
+        return nil, "failed to decode response body: " .. res.body
+    end
+    return data, nil
+end
+
+
+return _M