Removed Azure DevOps pipelines and migrated NuGet push to GitHub Actions

Author: Morten Turn Pedersen

.github/workflows/publish.yml

@@ -0,0 +1,34 @@
+name: Publish to NuGet
+
+on:
+  push:
+    branches:
+    - master
+    paths:
+    - 'NetCoreEntityFramework/**'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.301
+      
+    - name: Install dependencies
+      run: dotnet restore **/*.sln
+      
+    - name: Build
+      run: dotnet build --configuration Release --no-restore **/*.sln
+
+    - name: Generate NuGet package
+      run: |  
+        cd NetCoreEntityFramework
+        dotnet pack --configuration Release --output out --no-build  
+
+    - name: Push generated package to NuGet.org
+      run: dotnet nuget push ./NetCoreEntityFramework/out/*.nupkg --skip-duplicate --no-symbols true --source https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_API_KEY }}