ci: switch from gitlab ci to github actions

Author: NeikiDev

.github/workflows/release.yml

@@ -0,0 +1,48 @@
+name: Build & Release
+
+on:
+  push:
+    branches: [main]
+    tags: ['v*']
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '9.0.x'
+
+      - name: Publish self-contained
+        run: dotnet publish src/ZehNuker.csproj -c Release -r win-x64 --self-contained true -o publish/self-contained
+
+      - name: Publish runtime-dependent
+        run: dotnet publish src/ZehNuker.csproj -c Release -r win-x64 --self-contained false /p:PublishSingleFile=true /p:EnableCompressionInSingleFile=false -o publish/runtime
+
+      - name: Package zips
+        run: |
+          cd publish/self-contained && zip -r ../../ZehNuker-win-x64-self-contained.zip ZehNuker.exe && cd ../..
+          cd publish/runtime         && zip -r ../../ZehNuker-win-x64-runtime.zip        ZehNuker.exe && cd ../..
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ZehNuker-win-x64
+          path: |
+            ZehNuker-win-x64-self-contained.zip
+            ZehNuker-win-x64-runtime.zip
+
+      - name: Create GitHub Release
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v2
+        with:
+          name: ZehNuker ${{ github.ref_name }}
+          tag_name: ${{ github.ref_name }}
+          generate_release_notes: true
+          files: |
+            ZehNuker-win-x64-self-contained.zip
+            ZehNuker-win-x64-runtime.zip