Test example notebooks with nbmake

I'll come back later to update the Python scripts and test them.

noxfile.py

@@ -49,6 +49,23 @@ def test_bmi(session: nox.Session) -> None:
     )
 
 
+@nox.session(name="test-notebooks", python=PYTHON_VERSIONS[-1])
+def test_notebooks(session: nox.Session) -> None:
+    """Test the notebooks."""
+    session.install(".[testing,examples]")
+    session.install("nbmake")
+
+    args = [
+        "examples",
+        "--nbmake",
+        "--nbmake-kernel=python3",
+        "--nbmake-timeout=3000",
+        "-vvv",
+    ] + session.posargs
+
+    session.run("pytest", *args)
+
+
 @nox.session
 def lint(session: nox.Session) -> None:
     """Clean lint and assert style."""

pyproject.toml

@@ -92,6 +92,7 @@ addopts = """
   --durations 16
   --doctest-modules
   -vvv
+  --ignore-glob=examples/*.py
 """
 doctest_optionflags = [
   "NORMALIZE_WHITESPACE",