Create main.yml

Added Build Check workflow.

.github/workflows/main.yml

@@ -0,0 +1,37 @@
+name: Build Check
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Step 1: Checkout the repository
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Step 2: Move to the parent directory and fetch dependencies
+      - name: Fetch dependencies
+        run: |
+          cd ..
+          git clone https://github.com/razterizer/Core.git
+          git clone https://github.com/razterizer/Termin8or.git
+          git clone https://github.com/razterizer/AudioLibSwitcher_OpenAL.git --recurse-submodules
+
+      # Step 3: Install OpenAL
+      - name: Install OpenAL
+        run: sudo apt install libopenal-dev
+
+      # Step 4: Change to the correct directory and build
+      - name: Build project
+        run: |
+          cd demos
+          ./build_demo_1.sh
+        continue-on-error: false # Ensure errors are not bypassed