Adds binary release GA script.

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Release `ipfs-pump` binaries
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        # build and publish in parallel: linux/386, linux/amd64, windows/386, windows/amd64, darwin/amd64
+        goos: [linux, windows, darwin]
+        goarch: ["386", amd64]
+        exclude:
+          - goarch: "386"
+            goos: darwin
+    steps:
+      - uses: actions/checkout@v2
+      - uses: wangyoucao577/[email protected]
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          binary_name: "ipfs-pump"
+          ldflags: "-s -w"
+          extra_files: LICENSE README.md