update demo

Signed-off-by: dragonflylee <dragonflylee@outlook.com>

tests/README.md

@@ -0,0 +1,11 @@
+
+```bash
+
+docker build --network host -t devkitpro/devkita64 - << EOF
+FROM devkitpro/devkita64:20231108
+RUN sed -i 's/deb.debian.org/mirrors.aliyun.com/g' /etc/apt/sources.list \
+  && apt-get update && apt-get install -y --no-install-recommends nodejs \
+  && rm -rf /var/lib/apt/lists/* /usr/share/man/*
+EOF
+
+```