add release workflow (#3)

Author: ateoi

.github/workflows/package.yml

@@ -17,5 +17,7 @@ jobs:
       - uses: actions/upload-artifact@v3
         with:
           name: package
-          path: build/*.msi
+          path: |
+            build/*.msi
+            build/*.zip
           if-no-files-found: error

.github/workflows/release.yml

@@ -0,0 +1,20 @@
+name: Release
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Release tag'
+        required: true
+        type: string
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/download-artifact@v3
+        with:
+          name: package
+      - run: |
+          gh release create "${TAG}" ./*.msi ./*.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ inputs.tag }}