feat: add CI for codespell

.github/workflows/codespell.yml

@@ -0,0 +1,28 @@
+name: Spell Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - master
+
+jobs:
+  spellcheck:
+    name: Run codespell
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+
+      - name: Install codespell
+        run: pip install codespell
+
+      - name: Run codespell
+        run: codespell