chore: add workflow pr.yml

.github/workflows/pr.yml

@@ -0,0 +1,31 @@
+---
+name: PR checks
+
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+      - reopened
+      - unlocked
+
+permissions:
+  contents: read
+
+jobs:
+  check-conventional-commit:
+    name: Check commit messages
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.head.ref }}"
+          repository: "${{ github.event.pull_request.head.repo.full_name }}"
+          fetch-depth: 0
+      - uses: actions/setup-python@v5
+        with:
+          cache: "pip" # caching pip dependencies
+      - run: pip install commitizen
+      - name: Check commit messages
+        run: cz check --rev-range origin/${GITHUB_BASE_REF}..