add gitlab pages

.gitlab-ci.yml

+image: python:3.10-bookworm
+pages:
+  stage: deploy
+  before_script:
+    - python -m pip install -r requirements.txt
+  script:
+    - jupyter lite build --contents math0024 --output-dir public
+  artifacts:
+    paths:
+      - public
+  only:
+    - main

jupyter-lite.json

+{
+  "jupyter-lite-schema-version": 0,
+  "jupyter-config-data": {
+    "disabledExtensions": [
+      "@jupyterlab/drawio-extension",
+      "jupyterlab-kernel-spy",
+      "jupyterlab-tour"
+    ]
+  }
+}