initial github action

Author: stephenatsembit

.github/workflows/ci.yml

@@ -0,0 +1,13 @@
+on:
+  push:
+    branches:
+      - main
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build
+        run: dotnet build --configuration Release