Add release workflow

.github/templates/release.md

@@ -0,0 +1,9 @@
+## MD5 Checksums
+```
+<MD5SUM>
+```
+
+## SHA256 Checksums
+```
+<SHA256SUM>
+```

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  push:
+    # tags:
+    #   - '*'
+
+jobs:
+  name: Build
+  strategy:
+    matrix:
+      config:
+        - name: Linux
+          os: ubuntu-latest
+        - name: macOS
+          os: macos-latest
+  runs-on: ${{ matrix.config.os }}
+  permissions:
+    contents: write
+  steps:
+    - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.ref_name }}
+        submodules: true
+        fetch-depth: 0
+
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
+
+    - run: pip install meson ninja
+
+    - name: Build
+      run: |
+        kernel="$(uname -s | awk '{print tolower($0)}')"
+        arch="$(uname -m)"
+        meson --prefix="$(pwd)/wrapper_c-${kernel}-${arch}" --buildtype=release build
+        ninja -C build install
+
+        mkdir -p output
+        tar -zcvf "output/wrapper_c-${kernel}-${arch}.tgz" "wrapper_c-${kernel}-${arch}"
+
+    - uses: actions/upload-artifact@v4
+      name: wrapper_c
+      path: output
+