feat: implement release workflow and add license file

.github/workflows/release.yml

@@ -0,0 +1,45 @@
+name: Create Release and Publish
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  create-release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.PUBLISHER_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: false
+  releases-matrix:
+    name: Release Binaries
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [linux, windows, darwin]
+        goarch: [amd64, arm64]
+        exclude:
+          - goarch: arm64
+            goos: windows
+    steps:
+    - uses: actions/checkout@v2
+    - uses: wangyoucao577/go-release-action@v1.40
+      with:
+        github_token: ${{ secrets.PUBLISHER_TOKEN }}
+        goos: ${{ matrix.goos }}
+        goarch: ${{ matrix.goarch }}
+        binary_name: http-proxy-server
+        ldflags: -s -w
+        executable_compression: upx --ultra-brute
+        extra_files: LICENSE