add a release github action (#31)

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release Go project
+
+on:
+  push:
+    tags:
+      - "v*" # triggers only if push new tag version, like `v0.8.4` or else
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,11 @@
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - skip: true
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"