Add github actions workflow

Author: kgantsov

.github/workflows/release.yml

@@ -0,0 +1,91 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    name: Build ${{ matrix.target }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - os: ubuntu-latest
+            target: aarch64-unknown-linux-gnu
+          - os: macos-latest
+            target: aarch64-apple-darwin
+          - os: macos-latest
+            target: x86_64-apple-darwin
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+
+      - name: Install cross (Linux cross-compiling)
+        if: matrix.target == 'aarch64-unknown-linux-gnu'
+        run: cargo install cross --git https://github.com/cross-rs/cross
+
+      - name: Build
+        run: |
+          if [ "${{ matrix.target }}" = "aarch64-unknown-linux-gnu" ]; then
+            cross build --release --target ${{ matrix.target }}
+          else
+            cargo build --release --target ${{ matrix.target }}
+          fi
+
+      - name: Prepare artifact
+        run: |
+          BIN_NAME=hammerload
+          OUT_DIR=release
+          mkdir -p $OUT_DIR
+
+          if [[ "${{ matrix.target }}" == *"windows"* ]]; then
+            cp target/${{ matrix.target }}/release/${BIN_NAME}.exe $OUT_DIR/${BIN_NAME}-${{ matrix.target }}.exe
+          else
+            cp target/${{ matrix.target }}/release/${BIN_NAME} $OUT_DIR/${BIN_NAME}-${{ matrix.target }}
+          fi
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: binaries-${{ matrix.target }}
+          path: release/
+
+  release:
+    name: Create GitHub Release
+    needs: build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Download all build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: binaries-*
+          merge-multiple: true
+
+      - name: Generate checksums
+        run: |
+          shasum -a 256 * > SHA256SUMS.txt
+
+      - name: Create Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            hammerload-*
+            SHA256SUMS.txt