Allow for publishing to nugettest.org

.github/workflows/publish.yml

@@ -1,4 +1,4 @@
-name: Publish Nuget Package
+name: Publish Release Package
 on:
   push:
     branches:

.github/workflows/staging.yml

@@ -0,0 +1,24 @@
+name: Publish Testing Package
+on:
+  push:
+    branches:
+      - "staging/**"
+jobs:
+  publish:
+    name: Package Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: "6.0.x"
+      - name: Install dependencies
+        run: dotnet restore
+      - name: Package
+        run: dotnet pack --no-restore -o .
+      - name: Publish to Nuget
+        env:
+          NUGET_KEY: ${{ secrets.DEPLOY_TEST_KEY }}
+          NUGET_API: https://apiint.nugettest.org/v3/index.json
+        run: dotnet nuget push CSTNet.*.nupkg --api-key $NUGET_KEY --source $NUGET_API