experiment: add GitHub Actions workflow to test Julia notebooks

.github/workflows/exercise-nb.yml

@@ -0,0 +1,25 @@
+name: Test Julia Notebooks
+
+on: [push, pull_request]
+
+jobs:
+  run-notebooks:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Install Julia
+      uses: julia-actions/setup-julia@v1
+      with:
+        version: '1.9'  # You can specify the Julia version here
+
+    - name: Install dependencies
+      run: |
+        julia -e 'using Pkg; Pkg.activate(".")'  # Installs the Julia dependencies from Project.toml
+
+    - name: Run Jupyter Notebooks
+      uses: yaananth/run-notebook@v2
+      with:
+        notebook: 'notebooks/preprocessing-workflow/tiling.ipynb'