Add .gitignore, update Dockerfile, and enhance README with udev rules and calibration instructions

Dockerfile

@@ -1,18 +1,36 @@
 FROM stereolabs/zed:5.1-gl-devel-cuda12.8-ubuntu24.04
 
+ARG PROXYCHAIN_SOCKS5_HOST=127.0.0.1
+ARG PROXYCHAIN_SOCKS5_PORT=36000
+
 # Use USTC mirrors for faster access in China.
-RUN sed -i 's|http://archive.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list \
-  && sed -i 's|http://security.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list \
+RUN if [ -f /etc/apt/sources.list.d/ubuntu.sources ]; then \
+      sed -i 's|http://archive.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list.d/ubuntu.sources; \
+      sed -i 's|http://security.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list.d/ubuntu.sources; \
+    elif [ -f /etc/apt/sources.list ]; then \
+      sed -i 's|http://archive.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list; \
+      sed -i 's|http://security.ubuntu.com/ubuntu/|https://mirrors.ustc.edu.cn/ubuntu/|g' /etc/apt/sources.list; \
+    fi \
   && mkdir -p /etc/pip \
   && printf "%s\n" \
     "[global]" \
     "index-url = https://pypi.mirrors.ustc.edu.cn/simple" \
     "trusted-host = pypi.mirrors.ustc.edu.cn" \
-    > /etc/pip.conf
-
-RUN  apt-get update \
+    > /etc/pip.conf \
+  && apt-get update \
   && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
     build-essential \
     cmake \
     git \
+    gdb \
+    vim \
+    ninja-build \
+    python3-pip \
+    python3-setuptools \
+    python3-venv \
+    libopencv-dev \
+    proxychains-ng \
+  && if [ -f /etc/proxychains4.conf ]; then \
+       sed -i 's|^socks4[[:space:]]\\+127\\.0\\.0\\.1[[:space:]]\\+9050|socks5 '"${PROXYCHAIN_SOCKS5_HOST}"' '"${PROXYCHAIN_SOCKS5_PORT}"'|g' /etc/proxychains4.conf; \
+     fi \
   && rm -rf /var/lib/apt/lists/*