ci: add style & lint workflows

.github/workflows/lint.yml

@@ -0,0 +1,29 @@
+name: Lint
+
+on: [push]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{matrix.python-version}}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{matrix.python-version}}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install pylint flake8
+      - name: Analyze using Pylint
+        run: pylint src tests
+      - name: Analyze using Flake8
+        run: flake8 src tests
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Analyze using Ruff
+        uses: chartboost/ruff-action@v1

.github/workflows/style.yml

@@ -0,0 +1,21 @@
+name: Style Check
+
+on: [push]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '>=3.10'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install isort black
+      - name: Check using isort
+        run: isort --check src tests
+      - name: Check using black
+        run: black --check src tests

README.md

@@ -1,5 +1,10 @@
 # batchlink
 
 [![pdm-managed](https://img.shields.io/badge/pdm-managed-blueviolet)](https://pdm-project.org)
+[![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![linting: pylint](https://img.shields.io/badge/linting-pylint-yellowgreen)](https://github.com/pylint-dev/pylint)
+[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
+[![Flake8: checked](https://img.shields.io/badge/flake8-checked-blueviolet)](https://flake8.pycqa.org)
 
 Batch link files without modifying original files.