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/.github/workflows/code-lint.yml

@@ -0,0 +1,48 @@
+name: Code Lint
+
+on:
+  pull_request:
+    branches: [master, 'release/**']
+    paths-ignore:
+      - 'docs/**'
+      - '**/*.md'
+
+permissions:
+  contents: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install
+      run: |
+        . ./ci/common.sh
+        export_or_prefix
+        export OPENRESTY_VERSION=default
+
+        sudo -E ./ci/linux-install-openresty.sh
+        ./utils/linux-install-luarocks.sh
+        sudo -E luarocks install luacheck
+
+    - name: Script
+      run: |
+        . ./ci/common.sh
+        export_or_prefix
+        make lint
+
+  sc-lint:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Shellcheck code
+        run: |
+          scversion="latest"
+          wget -qO- "https://github.com/koalaman/shellcheck/releases/download/${scversion?}/shellcheck-${scversion?}.linux.x86_64.tar.xz" | tar -xJv
+          cp -av "shellcheck-${scversion}/shellcheck" /usr/local/bin/
+          shellcheck --version
+          git ls-files -- "*.sh" | xargs -t shellcheck