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/.markdownlint.yml

@@ -0,0 +1,34 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
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+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
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+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
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+
+MD001: false
+MD004: false
+MD005: false
+MD006: false
+MD007: false
+MD010: false
+MD013: false
+MD014: false
+MD024: false
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+MD033: false
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+MD036: false
+MD040: false
+MD041: false
+MD046: false