add github workflows

.github/workflows/release.yaml

@@ -0,0 +1,76 @@
+name: Build and Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag_name:
+        description: 'The tag name for the release'
+        required: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - platform: macos-11
+            goos: darwin
+            goarch: arm64
+          - platform: ubuntu-latest
+            goos: linux
+            goarch: amd64
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: '^1.17'
+
+    - name: Check out code
+      uses: actions/checkout@v2
+
+    - name: Build
+      run: |
+        env GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -o up_${{ matrix.goos }}_${{ matrix.goarch }}
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: up_${{ matrix.goos }}_${{ matrix.goarch }}
+        path: up_${{ matrix.goos }}_${{ matrix.goarch }}
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - platform: macos-11
+            goos: darwin
+            goarch: arm64
+          - platform: ubuntu-latest
+            goos: linux
+            goarch: amd64
+    steps:
+      - name: Download all artifacts
+        uses: actions/download-artifact@v2
+        with:
+          path: ./artifacts
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.event.inputs.tag_name }}
+          release_name: Release ${{ github.event.inputs.tag_name }}
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./artifacts/up_${{ matrix.goos }}_${{ matrix.goarch }}
+          asset_name: up_${{ matrix.goos }}_${{ matrix.goarch }}
+          asset_content_type: application/octet-stream