Add the CI pipeline (#4)

.github/workflows/ci.yaml

@@ -0,0 +1,97 @@
+name: CI
+
+on:
+  push:
+    branches: [ 'main' ]
+  pull_request:
+    branches: [ '*' ]
+  release:
+    types: [ 'released' ]
+
+env:
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+  DOTNET_CLI_TELEMETRY_OPTOUT: true
+  DOTNET_NOLOGO: true
+  DOTNET_VERSION: 6.x
+  DOTNET_QUALITY: ga
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+        dotnet-quality: ${{ env.DOTNET_QUALITY }}
+
+    - name: Restore dependencies
+      run: dotnet restore *.sln
+
+    - name: Build project
+      run: dotnet build *.sln --no-restore -c Release
+
+    - name: Pack
+      run: dotnet pack *.sln --no-build -c Release
+
+    - name: Publish build artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: build
+        path: ${{ github.workspace }}
+        if-no-files-found: error
+
+  # test:
+  #   name: Test
+  #   needs: [ build ]
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #   - name: Download build artifacts
+  #     uses: actions/download-artifact@v3
+  #     with:
+  #       name: build
+  #       path: ${{ github.workspace }}
+
+  #   - name: Run tests
+  #     run: dotnet test *.sln --no-build -c Release
+
+  publish:
+    name: Publish
+    if: github.event_name == 'release'
+    # needs: [ test ]
+    needs: [ build ]
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+    - name: Download build artifacts
+      uses: actions/download-artifact@v3
+      with:
+        name: build
+        path: ${{ github.workspace }}
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: ${{ env.DOTNET_VERSION }}
+        dotnet-quality: ${{ env.DOTNET_QUALITY }}
+
+    - name: Publish to NuGet.org
+      run: dotnet nuget push **/*.nupkg -k $NUGET_API_KEY -s https://api.nuget.org/v3/index.json --skip-duplicate
+      env:
+        NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
+
+    - name: Add the GitHub Packages source
+      run: dotnet nuget add source --username $GITHUB_USERNAME --password $GITHUB_TOKEN --store-password-in-clear-text --name github "$FEED_SOURCE"
+      env:
+        GITHUB_USERNAME: ${{ github.repository_owner }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        FEED_SOURCE: https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json
+
+    - name: Publish to GitHub Packages
+      run: dotnet nuget push **/*.nupkg -k $GITHUB_TOKEN -s "github" --skip-duplicate
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}