Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+name: build
+on: 
+  push:
+    branches:
+     - main
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+    # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+    - uses: actions/checkout@v4
+
+    - name: Install openmpi
+      run: |
+        sudo apt-get install -y openmpi-bin libopenmpi-dev
+        
+    - name: Build OpenCFD-Comb
+      run: |
+        cmake -S . -B build 
+        cmake --build build -j 2
+        cmake --install build
+        ctest --test-dir build