add new workflow

Author: maede97

.github/workflows/release-on-tag.yml

@@ -0,0 +1,90 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'   # triggers on v1.0.0, v2.3.4, etc.
+
+permissions:
+  contents: write   # required to create releases
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install dependencies (Linux)
+      if: runner.os == 'Linux'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y \
+          build-essential cmake \
+          libgl1-mesa-dev libx11-dev libxrandr-dev \
+          libxinerama-dev libxcursor-dev libxi-dev \
+          libwayland-dev libxkbcommon-dev
+
+    - name: Configure and build (Linux)
+      if: runner.os == 'Linux'
+      run: |
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_BUILD_TYPE=Release
+        make
+
+    - name: Configure and build (Windows)
+      if: runner.os == 'Windows'
+      run: |
+        mkdir build
+        cd build
+        cmake .. -DCMAKE_BUILD_TYPE=Release
+        cmake --build . --config Release
+
+    - name: Upload Linux artifact
+      if: runner.os == 'Linux'
+      uses: actions/upload-artifact@v6
+      with:
+        name: EntropyVisualizer-Linux
+        path: build/EntropyVisualizer
+
+    - name: Upload Windows artifact
+      if: runner.os == 'Windows'
+      uses: actions/upload-artifact@v6
+      with:
+        name: EntropyVisualizer-Windows
+        path: build/Release/EntropyVisualizer.exe
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Download Linux artifact
+      uses: actions/download-artifact@v6
+      with:
+        name: EntropyVisualizer-Linux
+        path: artifacts/linux
+
+    - name: Download Windows artifact
+      uses: actions/download-artifact@v6
+      with:
+        name: EntropyVisualizer-Windows
+        path: artifacts/windows
+
+    - name: Create GitHub Release
+      uses: softprops/action-gh-release@v2
+      with:
+        tag_name: ${{ github.ref_name }}
+        name: Release ${{ github.ref_name }}
+        draft: false
+        prerelease: false
+        files: |
+          artifacts/linux/EntropyVisualizer
+          artifacts/windows/EntropyVisualizer.exe