ci: setup pre-commit

.pre-commit-config.yaml

@@ -0,0 +1,23 @@
+repos:
+  - repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0
+    hooks:
+      - id: flake8
+        additional_dependencies:
+          - flake8-executable==2.1.3
+          - bandit==1.7.4
+          - flake8-bugbear==21.11.29
+          - flake8-comprehensions==3.10.1
+        args: [ "--max-line-length", "120" ]
+        exclude: "tests/to-be-tested/"
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: 'v0.991'
+    hooks:
+      - id: mypy
+        files: ^flake8_executable
+        exclude: "tests/"
+  - repo: https://github.com/asottile/yesqa
+    rev: v1.4.0
+    hooks:
+      - id: yesqa
+        exclude: "tests/to-be-tested/"

README.md

@@ -23,6 +23,18 @@ Run:
 
     pip install flake8-executable
 
+Or through `pre-commit` with the `.pre-commit-config.yaml`:
+
+```yaml
+repos:
+-   repo: https://github.com/PyCQA/flake8
+    rev: 6.0.0  # replace with the latest flake8 release
+    hooks:
+    -   id: flake8
+        additional_dependencies:
+        - flake8-executable
+```
+
 ## Usage
 
 Normally, after flake8-executable is installed, invoking flake8 will also run this plugin. For more