trying to up actions

.github/workflows/cmake-multiplatform.yml

@@ -0,0 +1,75 @@
+name: CMake multiplatform
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        build_type: [Debug]
+        include:
+          - os: windows-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+          - os: ubuntu-latest
+            c_compiler: clang
+            cpp_compiler: clang++
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set reusable strings
+      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
+      id: strings
+      shell: bash
+      run: |
+        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
+
+    - name: Setup Environment
+      if: ${{ matrix.os == 'ubuntu-latest' }}
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install gcc-multilib
+        sudo apt-get install -y --no-install-recommends build-essentials libgl-dev libwayland-dev xorg-dev libxkbcommon-dev
+    
+    - name: Configure CMake
+      run: >
+        cmake -B ${{ steps.strings.outputs.build-output-dir }}
+        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
+        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
+        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -S ${{ github.workspace }}
+
+    - name: Build
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+      
+    - name: Install
+      run: cmake --install ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }}
+
+    - name: Pack
+      run: |
+        cd ${{ steps.strings.outputs.build-output-dir }}
+        cpack -C ${{ matrix.build_type }}
+
+    - name: Create or Update Development Release
+      uses: softprops/action-gh-release@v1
+      with:
+        name: Development Build
+        tag_name: dev
+        body: |
+          ${{ github.event.head_commit.timestamp }}
+        draft: false
+        prerelease: true
+        generate_release_notes: false
+        files: 'build/package/*.zip'
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}