add release workflow

Author: toshipp

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: release
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container: rust:bullseye
+    steps:
+      - uses: actions/checkout@v3
+      - run: cargo build --release
+      - uses: actions/upload-artifact@v3
+        with:
+          name: tstools
+          path: target/release/tstools
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/download-artifact@v3
+        with:
+          name: tstools
+      - run: gh release create ${{ github.ref_name }} tstools
+        env:
+          GH_TOKEN: ${{ github.token }}