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/utils/check-plugins-code.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+#
+# 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.
+#
+
+RED="\033[1;31m";
+NC="\033[0m"; # No Color
+hit=0
+
+checkfunc () {
+    funccontent=$1
+    file=$2
+    [[ $funccontent =~ "core.response.exit" ]] && echo -e ${RED}${file}${NC} && echo "    can't exit in rewrite or access phase!" && ((hit++))
+    [[ $funccontent =~ "ngx.exit" ]] && echo -e ${RED}${file}${NC} && echo "    can't exit in rewrite or access phase!" && ((hit++))
+    [[ $funccontent =~ "ngx.redirect" ]] && echo -e ${RED}${file}${NC} && echo "    can't call ngx.redirect in rewrite or access phase!" && ((hit++))
+}
+
+
+filtercode () {
+    content=$1
+    file=$2
+
+    rcontent=${content##*_M.rewrite}
+    rewritefunc=${rcontent%%function*}
+    checkfunc "$rewritefunc" "$file"
+
+    rcontent=${content##*_M.access}
+    accessfunc=${rcontent%%function*}
+    checkfunc "$accessfunc" "$file"
+}
+
+
+for file in apisix/plugins/*.lua
+do
+    if test -f $file
+    then
+        content=$(cat $file)
+        filtercode "$content" "$file"
+    fi
+done
+for file in apisix/stream/plugins/*.lua
+do
+    if test -f $file
+    then
+        content=$(cat $file)
+        filtercode "$content" "$file"
+    fi
+done
+
+if (($hit>0))
+then
+    exit 1
+fi
+
+# test case for check
+content=$(cat t/fake-plugin-exit.lua)
+filtercode "$content" > test.log 2>&1 || (cat test.log && exit 1)
+
+echo "All passed."