👷 ci: Add github action to validate goreleaser config (#68)

.github/workflows/validate_goreleaser.yml

@@ -0,0 +1,33 @@
+name: validate_goreleaser
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  validate_goreleaser:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.3
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2.1.3
+        with:
+          go-version: 1.15.2
+
+      - name: Download GoReleaser
+        run: |
+          curl -sfL https://install.goreleaser.com/github.com/goreleaser/goreleaser.sh | sh
+
+      - name: Check goreleaser validity
+        run: |
+          ./bin/goreleaser check
+