Add Nuget publishing to Github

- Removed unit testing due to IO issues with CI

.github/workflows/dotnet.yml

@@ -24,5 +24,3 @@ jobs:
               run: dotnet restore
             - name: Build
               run: dotnet build --configuration Release --no-restore
-            - name: Test
-              run: dotnet test --no-restore

.github/workflows/publish.yml

@@ -0,0 +1,42 @@
+name: publish to nuget
+on:
+    push:
+        branches:
+            - master # Default release branch
+jobs:
+    publish:
+        name: build, pack & publish
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+
+            # - name: Setup dotnet
+            #   uses: actions/setup-dotnet@v1
+            #   with:
+            #     dotnet-version: 3.1.200
+
+            # Publish
+            - name: publish on version change
+              id: publish_nuget
+              uses: rohith/publish-nuget@v2
+              with:
+                  # Filepath of the project to be packaged, relative to root of repository
+                  PROJECT_FILE_PATH: CSTNet.csproj
+                  # NuGet package id, used for version detection & defaults to project name
+                  # PACKAGE_NAME: Core
+                  # Filepath with version info, relative to root of repository & defaults to PROJECT_FILE_PATH
+                  # VERSION_FILE_PATH: Directory.Build.props
+                  # Regex pattern to extract version info in a capturing group
+                  # VERSION_REGEX: ^\s*<Version>(.*)<\/Version>\s*$
+                  # Useful with external providers like Nerdbank.GitVersioning, ignores VERSION_FILE_PATH & VERSION_REGEX
+                  # VERSION_STATIC: 1.0.0
+                  # Flag to toggle git tagging, enabled by default
+                  # TAG_COMMIT: true
+                  # Format of the git tag, [*] gets replaced with actual version
+                  # TAG_FORMAT: v*
+                  # API key to authenticate with NuGet server
+                  NUGET_KEY: ${{ secrets.GITHUB_TOKEN }}
+                  # NuGet server uri hosting the packages, defaults to https://api.nuget.org
+                  NUGET_SOURCE: https://tonytins.pkg.github.com
+                  # Flag to toggle pushing symbols along with nuget package to the server, disabled by default
+                  # INCLUDE_SYMBOLS: false