Add GitHub Actions workflow for build and publish process

Author: rkttu

.github/workflows/build.yml

@@ -0,0 +1,62 @@
+name: Build and Publish
+
+on:
+  push:
+    branches: [ master ]
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  DOTNET_VERSION: '8.0.x'
+
+jobs:
+  build:
+    runs-on: windows-latest
+    
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: Restore dependencies
+      run: dotnet restore
+
+    - name: Build
+      run: dotnet build --configuration Release --no-restore
+
+    - name: Test
+      run: dotnet test --configuration Release --no-build --verbosity normal
+
+    - name: Pack
+      run: dotnet pack --configuration Release --no-build --output ./artifacts
+
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: nuget-package
+        path: ./artifacts/*.nupkg
+
+  publish:
+    runs-on: windows-latest
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/v')
+    
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: nuget-package
+        path: ./artifacts
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+
+    - name: Publish to NuGet
+      run: dotnet nuget push ./artifacts/*.nupkg --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate

README.md

@@ -2,7 +2,10 @@
 
 Experimental port of System.Messaging (for .NET Core)
 
-[![Image](https://img.shields.io/nuget/v/Experimental.System.Messaging.svg)](https://www.nuget.org/packages/Experimental.System.Messaging)
+[![NuGet Version](https://img.shields.io/nuget/v/Experimental.System.Messaging.svg)](https://www.nuget.org/packages/Experimental.System.Messaging)
+[![NuGet Downloads](https://img.shields.io/nuget/dt/Experimental.System.Messaging.svg)](https://www.nuget.org/packages/Experimental.System.Messaging)
+[![Build](https://github.com/dotnetdev-kr/Experimental.System.Messaging/actions/workflows/build.yml/badge.svg)](https://github.com/dotnetdev-kr/Experimental.System.Messaging/actions/workflows/build.yml)
+[![License](https://img.shields.io/badge/license-Ms--RL-blue.svg)](LICENSE.txt)
 
 ## Introduction