chore: added CD pipeline

Author: egbakou

.github/workflows/cd.yml

@@ -0,0 +1,50 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CD
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+#on:
+#  push:
+#    tags:
+#    - '*'
+
+on:
+  release:
+    types: [published]
+    
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v2
+
+    # Runs a single command using the runners shell
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 6.0.x
+
+    - name: Build
+      run: dotnet build --configuration Release
+      working-directory: ./src/FileSizeFromBase64.NET
+
+    - name: Run unit tests
+      run: dotnet test --configuration Release
+      working-directory: ./tests/FileSizeFromBase64.NET.Tests
+
+    - name: Generate nuget package
+      run: dotnet pack --configuration Release -o nupkg
+      working-directory: ./src/FileSizeFromBase64.NET
+
+    - name: Publish nuget package
+      run: find . -name *.nupkg -type f -print0 | xargs -0 -I pkg dotnet nuget push pkg -k $nuget_api_key -s "https://api.nuget.org/v3/index.json" --skip-duplicate
+      env:
+        nuget_api_key: ${{ secrets.NUGET_API_KEY }}
+      working-directory: ./src/FileSizeFromBase64.NET/nupkg