CI: configure precommit CI test

Author: dmgav

.github/workflows/cd.yml_

@@ -0,0 +1,37 @@
+name: pre-commit
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  lint:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
+    name: Check code style
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    steps:
+      - name: Checkout the branch
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: 3.13
+
+      - name: Install dev dependencies
+        run: |
+          set -vxeuo pipefail
+          pip install .[dev]
+          python -m pip list
+
+      - name: Run pre-commit
+        run: pre-commit run --all-files