Add Goreleaser workflow

Author: marcwickenden

.github/workflows/goreleaser.yaml

@@ -0,0 +1,27 @@
+name: Push to Docker Hub
+on:
+  pull_request:
+  push:
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Unshallow
+        run: git fetch --prune --unshallow
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.14
+
+      - name: Run goreleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}