gh_action: add workflow to check typos on the PRs

.github/workflows/check_typos.yml

@@ -0,0 +1,49 @@
+# Copyright 2025 Espressif Systems (Shanghai) PTE LTD
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Check Typos
+permissions:
+  contents: read
+
+on:
+  pull_request:
+    branches:
+      - main
+      - 'release/**'
+
+jobs:
+  check_typos:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+      - name: Install codespell
+        run: pip install codespell
+      - name: Fetch main branch
+        run: git fetch origin main
+      - name: Check typos in changed files
+        run: |
+          FILES=$(git diff --name-only origin/main...HEAD)
+          echo "Changed files: $FILES"
+          if [ -n "$FILES" ]; then
+            ./tools/check_typos.sh $FILES
+          else
+            echo "No files changed, skipping typo check"
+          fi