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/certs/openssl-test2.conf

@@ -0,0 +1,40 @@
+#
+# 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.
+#
+[req]
+distinguished_name = req_distinguished_name
+x509_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+C = CN
+ST = GuangDong
+L = ZhuHai
+O = iresty
+CN = test2.com
+
+[v3_req]
+subjectKeyIdentifier = hash
+authorityKeyIdentifier = keyid,issuer
+basicConstraints = CA:TRUE
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = test2.com
+DNS.2 = *.test2.com
+
+## openssl genrsa -out test2.key 3072
+## openssl req -new -x509 -key test2.key -sha256 -config openssl-test2.conf -out test2.crt -days 36500