add release CI

Author: benedekkupper

.github/workflows/release.yml

@@ -0,0 +1,43 @@
+name: .NET NuGet package release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+
+    - name: Add local NuGet feed
+      run: |
+        mkdir -p ~/localfeed
+        dotnet nuget add source ~/localfeed --name LocalFeed
+    
+    - name: Build DeviceProgramming
+      uses: ./.github/template/build-package
+      with:
+        project: DeviceProgramming
+        
+    - name: Build LibUsbDfu
+      uses: ./.github/template/build-package
+      with:
+        project: LibUsbDfu
+
+    - name: Push packages to NuGet.org
+      run: dotnet nuget push ~/localfeed/*.nupkg --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_API_KEY }}
+
+    - name: Push packages to GitHub Packages
+      run: |
+        dotnet nuget add source --username ${{ github.repository_owner }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/IntergatedCircuits/index.json"
+        dotnet nuget push ~/localfeed/*.nupkg --source "github" --api-key ${{ secrets.GITHUB_TOKEN }}
+