Use goreleaser (#8)

* add go releaser action

* update github actions

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+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: 1.16
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: ${GITHUB_REF/refs\/tags\//}
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GORELEASER_GITHUB_TOKEN }}
+

.gitignore

@@ -24,3 +24,6 @@ _testmain.go
 *.exe
 *.test
 *.prof
+
+dir2opds
+!/dir2opds