feat(rathole,apisix): complete Rathole and APISIX Cloudron packages

- Fix Rathole download URL to use .zip format instead of .tar.gz
- Complete APISIX package using official apache/apisix:3.8.0-debian base image
- Add cloudron user creation for APISIX compatibility
- Both packages build successfully and follow KNELCloudron- naming convention
- Rathole: reverse proxy tunnel with proper binary download
- APISIX: API gateway with official Docker image base

CloudronPackages/APISIX/start.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+log() { echo "[start] $(date -Is) $*"; }
+abort() { echo "[start] ERROR: $*" >&2; exit 1; }
+
+# Defaults
+: "${APP_PORT:=9180}"
+
+log "Starting Apache APISIX on port ${APP_PORT}"
+
+# Ensure APISIX data directory exists
+mkdir -p /app/data/apisix
+chown -R cloudron:cloudron /app/data || true
+
+# Set APISIX environment
+export APISIX_HOME=/app/data/apisix
+export APISIX_WORKDIR=/app/data/apisix
+
+# Start APISIX using the official entrypoint
+log "Starting APISIX API Gateway"
+exec /docker-entrypoint.sh docker-start
+