Add CI

Author: Tom-Willemsen

.github/workflows/documentation.yml

@@ -0,0 +1,23 @@
+name: sphinx
+
+on: [push, workflow_call]
+
+jobs:
+  spellcheck:
+    runs-on: "windows-latest"
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - name: install requirements
+        run: pip install -e .[dev]
+      - name: run spellcheck
+        run: sphinx-build -E -a -W --keep-going -b spelling doc _build
+  build:
+    uses: ISISComputingGroup/reusable-workflows/.github/workflows/sphinx.yml@main
+    secrets: inherit
+    with:
+      deploy-branch: "docs"

.github/workflows/nightly.yml

@@ -0,0 +1,9 @@
+name: nightly
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  nightly:
+    uses: ./.github/workflows/documentation.yml