add release workflow

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+on:
+  push:
+    tags:
+      - "v*"
+
+env:
+  GO_VERSION: '1.22.0'
+
+name: Release
+jobs:
+  build:
+    name: Release (github.com)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ env.GO_VERSION }}
+      - run: go build -o fbmirrors main.go
+      - id: create_release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            fbmirrors
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+