Add a GitHub Actions Workflow to perform unit tests

Author: jsakamoto

.github/workflows/unit-tests.yml

@@ -0,0 +1,23 @@
+name: unit tests
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  perform-unit-tests:
+    runs-on: ubuntu-latest
+    steps:
+      # Checkout the code
+      - uses: actions/checkout@v5
+
+      # Install .NET SDK
+      - name: Setup .NET SDK
+        uses: actions/setup-dotnet@v5
+        with:
+          dotnet-version: 10.0.x
+
+      # Perform unit tests
+      - name: Perform unit tests
+        run: dotnet test --project ./UserSecretsExtension.Test --output detailed

global.json

@@ -3,5 +3,8 @@
     "rollForward": "latestMinor",
     "version": "10.0.0",
     "allowPrerelease": false
+  },
+  "test": {
+    "runner": "Microsoft.Testing.Platform"
   }
 }