Add CI test workflow

.github/workflows/ci.yaml

@@ -0,0 +1,47 @@
+name: Norma CI
+
+on:
+  push:
+    branches:
+      - main  # Run on pushes to the main branch
+  pull_request:  # Run on pull requests
+  schedule:
+    - cron: '0 8 * * *'  # Midnight PST (8:00 UTC)
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]  # Platforms to test
+        julia-version: [1.10, 1.11]  # Julia versions to test
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      # Step 1: Check out the code
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      # Step 2: Set up Julia
+      - name: Set up Julia
+        uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.julia-version }}
+
+      # Step 3: Install dependencies
+      - name: Install dependencies
+        run: |
+          julia --project=. -e 'using Pkg; Pkg.instantiate()'
+
+      # Step 4: Run the tests
+      - name: Run tests
+        run: |
+          julia --project=. -e 'using Pkg; Pkg.test()'
+
+      # Step 5: Upload test results (optional)
+      - name: Upload test results
+        if: always()  # Run this even if the test step fails
+        uses: actions/upload-artifact@v3
+        with:
+          name: test-results
+          path: test-results.log
+