Add unit test workflow

.github/workflows/build-and-test.yml

@@ -0,0 +1,20 @@
+name: Build and Test
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '7.0.x'
+      - name: Install dependencies
+        run: dotnet restore
+      - name: Build
+        run: dotnet build
+      - name: Run Unit Tests
+        run: dotnet test --filter Unit --no-restore --verbosity normal