add release handling based on github workflows, fixes #47

Author: equinox0815

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+on:
+  release:
+    types: [created]
+
+jobs:
+  releases-matrix:
+    name: Release Go Binary
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [linux]
+        goarch: ["386", amd64, arm64]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: wangyoucao577/go-release-action@v1
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        goos: ${{ matrix.goos }}
+        goarch: ${{ matrix.goarch }}
+        project_path: "./cmd/whawty-auth"
+        binary_name: "whawty-auth"
+        extra_files: AUTHORS LICENSE LICENSE.zxcvbn README.md
+        md5sum: false
+        sha256sum: true