feat: 初始化 Go2 导航相关代码与配置

unitree_sdk2/README.md

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+# unitree_sdk2
+Unitree robot sdk version 2.
+
+### Prebuild environment
+* OS  (Ubuntu 20.04 LTS)  
+* CPU  (aarch64 and x86_64)   
+* Compiler  (gcc version 9.4.0) 
+
+### Environment Setup
+
+Before building or running the SDK, ensure the following dependencies are installed:
+
+- CMake (version 3.10 or higher)
+- GCC (version 9.4.0)
+- Make
+
+You can install the required packages on Ubuntu 20.04 with:
+
+```bash
+apt-get update
+apt-get install -y cmake g++ build-essential libyaml-cpp-dev libeigen3-dev libboost-all-dev libfmt-dev
+```
+
+### Build examples
+
+To build the examples inside this repository:
+
+```bash
+mkdir build
+cd build
+cmake ..
+make
+```
+
+### Installation
+
+To build your own application with the SDK, you can install the unitree_sdk2 to your system directory:
+
+```bash
+mkdir build
+cd build
+cmake ..
+sudo make install
+```
+
+Or install unitree_sdk2 to a specified directory:
+
+```bash
+mkdir build
+cd build
+cmake .. -DCMAKE_INSTALL_PREFIX=/opt/unitree_robotics
+sudo make install
+```
+
+You can refer to `example/cmake_sample` on how to import the unitree_sdk2 into your CMake project. 
+
+Note that if you install the library to other places other than `/opt/unitree_robotics`, you need to make sure the path is added to "${CMAKE_PREFIX_PATH}" so that cmake can find it with "find_package()".
+
+### Notice
+For more reference information, please go to [Unitree Document Center](https://support.unitree.com/home/zh/developer).