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/Rathole/Dockerfile

@@ -5,21 +5,20 @@ ARG ARCH=x86_64-unknown-linux-gnu
 
 USER root
 RUN apt-get update \
- && apt-get install -y --no-install-recommends curl ca-certificates tar python3 \
+ && apt-get install -y --no-install-recommends curl ca-certificates unzip python3 \
  && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app/pkg
 
 # Download Rathole release binary (adjust version/arch via build args)
 RUN set -eux; \
-    url="https://github.com/rathole-org/rathole/releases/download/${RATHOLE_VERSION}/rathole-${ARCH}.tar.gz"; \
+    url="https://github.com/rathole-org/rathole/releases/download/${RATHOLE_VERSION}/rathole-${ARCH}.zip"; \
     echo "Fetching ${url}"; \
-    curl -fsSL "$url" -o rathole.tar.gz; \
-    tar -xzf rathole.tar.gz; \
-    rm rathole.tar.gz; \
-    mv rathole /app/pkg/rathole; \
-    chmod +x /app/pkg/rathole; \
-    chown cloudron:cloudron /app/pkg/rathole
+    curl -fsSL "$url" -o rathole.zip; \
+    unzip rathole.zip; \
+    rm rathole.zip; \
+    chmod +x rathole; \
+    chown cloudron:cloudron rathole
 
 # Start script
 COPY start.sh /app/pkg/start.sh