Add GitHub workflow

.github/workflows/build.yml

@@ -0,0 +1,62 @@
+name: .NET Core Build and Deploy
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    if: github.event_name == 'push' && contains(toJson(github.event.commits), '***NO_CI***') == false && contains(toJson(github.event.commits), '[ci skip]') == false && contains(toJson(github.event.commits), '[skip ci]') == false
+    name: Build Package 
+    runs-on: windows-latest # using windows agent for net462 build
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup .NET Core SDK
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.100
+
+    - name: Restore
+      run: dotnet restore
+
+    - name: Build
+      run: dotnet build --configuration Release --no-restore
+
+    # Run the tests, ideally should stop here if a fail and also publish results as artifacts
+    - name: Test
+      run: dotnet test
+
+    - name: Pack
+      run: dotnet pack --configuration Release -o finalpackage --no-build
+
+    - name: Publish artifact
+      uses: actions/upload-artifact@master
+      with:
+        name: nupkg
+        path: finalpackage
+
+  deploy:
+    needs: build
+    name: Deploy Packages
+    runs-on: windows-latest
+    steps:
+      - name: Download Package artifact
+        uses: actions/download-artifact@master
+        with:
+          name: nupkg
+
+      - name: Setup NuGet
+        uses: NuGet/setup-nuget@v1.0.2
+        with:
+          nuget-api-key: ${{ secrets.NUGET_API_KEY }}
+          nuget-version: latest
+
+      - name: Setup .NET Core SDK
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 3.1.100
+
+      - name: Push to NuGet
+        run: dotnet nuget push nupkg\*.nupkg -k ${{ secrets.NUGET_API_KEY }} -s https://nuget.org --skip-duplicate