feat: add Linux and macOS CI

.github/workflows/autobuild.yml

@@ -30,5 +30,57 @@ jobs:
     - name: Upload artifact
       uses: actions/upload-artifact@v4
       with:
-        name: ncmdump-artifacts
-        path: build/ncmdump.exe
+        name: Windows amd64 Build
+        path: build/ncmdump.exe
+  
+  build_on_linux:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y build-essential cmake
+
+    - name: Configure build
+      run: cmake -DCMAKE_BUILD_TYPE=Release -B build
+
+    - name: Build
+      run: cmake --build build -j 4
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: Linux amd64 Build
+        path: build/ncmdump
+
+  build_on_macos:
+    runs-on: macos-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install dependencies
+      run: |
+        brew update
+        brew install git cmake
+
+    - name: Configure build
+      run: cmake -B build
+
+    - name: Build
+      run: cmake -DCMAKE_BUILD_TYPE=Release --build build -j 4
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: macOS amd64 Build
+        path: build/ncmdump