ci: add spell check

.github/workflows/typo.yml

@@ -0,0 +1,22 @@
+name: Test GitHub Action
+on: [pull_request]
+
+jobs:
+  run:
+    name: Spell Check with Typos
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout Actions Repository
+      uses: actions/checkout@v4
+
+    - uses: jitterbit/get-changed-files@v1
+      with:
+        # Format of the steps output context.
+        # Can be 'space-delimited', 'csv', or 'json'.
+        # Default: 'space-delimited'
+        format: 'space-delimited'
+
+    - name: Check spelling of file.txt
+      uses: crate-ci/typos@master
+      with:
+        files: ${{ steps.files.outputs.added_modified }}