Adding release pipeline workflow

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+    - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Upload Release Asset
+
+jobs:
+  build:
+    name: Upload Release Asset
+    runs-on: macOS-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build project
+        run: make archive 
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Upload Release Asset
+        id: 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: .build/release/plank
+          asset_name: plank 
+          asset_content_type: application/x-mach-binary