ci: fix ci dupe (#44)

Author: jamesbhobbs

.github/workflows/ci.yaml

@@ -119,3 +119,22 @@ jobs:
 
       - name: Check licenses
         run: yarn check-licenses
+        
+  spell-check:
+    name: Spell Check
+    permissions:
+      contents: read
+    timeout-minutes: 10
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@d72f5cb72b472c1e59036840891e918c9bda4dae # v1
+
+      - name: Install JupyterLab
+        run: python -m pip install -U "jupyterlab>=4.0.0,<5"
+
+      - name: Run spell check
+        run: npx cspell@9.2.1 "**/*.{md,txt,json,js,ts,tsx,jsx,yml,yaml}"