add release workflow

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+---
+name: Release
+run-name: Release v${{ github.event.inputs.version }}
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: Version
+        required: true
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+
+      - name: Enable corepack
+        run: corepack enable
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Run package
+        run: yarn package
+
+      - uses: svenstaro/upload-release-action@v2
+        if: ${{ !env.ACT }}
+        with:
+          overwrite: true
+          file: build/flexi-dock-v${{ github.event.inputs.version }}.zip
+          tag: v${{ github.event.inputs.version }}
+          body: Version ${{ github.event.inputs.version }}