WIP: attach packages to slint gh release

.github/workflows/release.yaml

@@ -5,6 +5,16 @@ name: Release
 
 on:
     workflow_dispatch:
+      inputs:
+        private:
+          type: boolean
+          default: true
+          required: false
+          description: "Private build? True means artifacts are only built. False means the artefacts are published (docs, vscode extension) to the web/marketplace"
+        gh_release:
+            type: string
+            description: name of github release to upload to
+            default: "nightly"
 
 jobs:
     build_packages:
@@ -14,7 +24,7 @@ jobs:
 
         runs-on: ubuntu-22.04
         steps:
-            - uses: actions/checkout@v4          
+            - uses: actions/checkout@v4
               with:
                 sparse-checkout: ${{ matrix.board }}
             - name: build source package
@@ -55,3 +65,14 @@ jobs:
           run: |
               cmake --build --preset Debug
 
+    upload_packages:
+        if: github.event.inputs.private != 'true'
+        needs: [test_packages]
+        runs-on: ubuntu-20.04
+        steps:
+          - uses: actions/download-artifact@v4
+            with:
+              pattern: slint-cpp-template-*
+              merge-multiple: true
+          - run: |
+              gh release upload --repo slint-ui/slint ${{github.event.inputs.gh_release}} *.zip