Add GitHub Actions workflow for building and running unit tests

Author: VelkoTgr6

.github/workflows/render.yaml

@@ -0,0 +1,33 @@
+name: Build and Run Unit Tests
+
+on:
+  push:
+    branches: [ "render-deployment" ]
+
+jobs:
+  build_unit_tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v4
+    - name: Setup .NET version 9
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 9.0.x
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --no-restore
+    - name: Execute NUnit Tests
+      run: dotnet test --no-build --verbosity normal
+  
+  deploy_to_render:
+    needs: build_unit_tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: JorgeLNJunior/render-deploy@v1.4.4
+        with:
+          service_id: ${{ secrets.MY_RENDER_SERVICE_ID }}
+          api_key: ${{ secrets.MY_RENDER_API_KEY }}