初始化项目，包含fast_lio_ws和unitree_sdk2

unitree_sdk2/.github/workflows/c-cpp.yml

@@ -0,0 +1,29 @@
+name: C/C++ Build Workflow
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest  # Use latest runner to host the container
+
+    container:
+      image: ubuntu:20.04
+      options: --privileged  # Needed for some build tools
+
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install dependencies
+      run: |
+        export DEBIAN_FRONTEND=noninteractive
+        apt-get update
+        apt-get install -y cmake g++ build-essential libyaml-cpp-dev libeigen3-dev
+        
+    - name: CMake build
+      run: |
+        cmake -Bbuild
+        cmake --build build -j$(nproc)