add release script

Author: yufeih

.github/workflows/build.yml

@@ -8,6 +8,6 @@ jobs:
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: 6.x
     - name: Build and Test
       run: ./build.ps1

.github/workflows/release.yml

@@ -0,0 +1,23 @@
+name: release
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: |
+          6.x
+
+    - run: dotnet pack -c Release /p:Version=${GITHUB_REF_NAME#v} -o drop/nuget
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: nuget
+        path: drop/nuget
+
+    - run: dotnet nuget push drop/nuget/*.nupkg --api-key "${{ secrets.NUGET_KEY }}" --skip-duplicate --source https://api.nuget.org/v3/index.json

Directory.Build.props

@@ -12,5 +12,14 @@
     <!-- Build properties -->
     <LangVersion>Latest</LangVersion>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+
+    <ContinuousIntegrationBuild Condition="'$(GITHUB_ACTIONS)' == 'true'">true</ContinuousIntegrationBuild>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources> 
   </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)\README.md" Pack="true" PackagePath="\"/>
+  </ItemGroup>
 </Project>