Create nuget.yml

Add Nuget Action

.github/workflows/nuget.yml

@@ -0,0 +1,27 @@
+name: Release to NuGet
+
+on:
+  push:
+    branches:
+      - master # Default release branch
+  pull_request:
+    branches:
+    - master # Run the workflow for all pull requests on Branch Master
+    
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4.1.1
+    - name: Setup .NET SDK
+      uses: actions/setup-dotnet@v1.5
+    - name: Build
+      run: dotnet build -c Release
+    - name: Test
+      run: dotnet test -c Release --no-build
+    - name: Pack nugets
+      run: dotnet pack -c Release --no-build --output .
+    - name: Push to NuGet
+      run: dotnet nuget push "*.nupkg" --api-key ${{secrets.NUGET_KEY}} --source https://api.nuget.org/v3/index.json