misc: add pack TreeDataGrid GitHub Action file.

.github/workflows/pack-tree.yml

@@ -0,0 +1,26 @@
+name: Pack TreeDataGrid Nuget
+
+on:
+  push:
+    branches: [ "action/pack-tree" ]
+  pull_request:
+    branches: [ "action/pack-tree" ]
+
+jobs:
+  nuget:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+
+      - name: Nuget Semi.Avalonia.TreeDataGrid
+        run: dotnet pack ./src/Semi.Avalonia.TreeDataGrid  -o ./nugets
+
+      - name: Publish NuGet package
+        run: dotnet nuget push "./nugets/*.nupkg" --api-key ${{ secrets.NUGET_ORG_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+
+      - name: Upload a Build Artifact
+        uses: actions/upload-artifact@v4.3.1
+        with:
+          name: nugets
+          path: ./nugets