Add GitHub Actions workflow for release builds

Author: githubflyideas

.github/workflows/main.yml

@@ -0,0 +1,41 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.23'
+
+      - name: Build amd64
+        run: |
+          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+            go build -o nodedata
+          tar czf nodedata-${GITHUB_REF_NAME}-linux-amd64.tar.gz nodedata
+
+      - name: Build arm64
+        run: |
+          CGO_ENABLED=0 GOOS=linux GOARCH=arm64 \
+            go build -o nodedata
+          tar czf nodedata-${GITHUB_REF_NAME}-linux-arm64.tar.gz nodedata
+
+      - name: Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            nodedata-${{ github.ref_name }}-linux-amd64.tar.gz
+            nodedata-${{ github.ref_name }}-linux-arm64.tar.gz