How add pre-commit on project

.flake8

[flake8]
max-line-length = 88
exclude=*/migrations/*

.isort.cfg

[settings]
force_grid_wrap=0
include_trailing_comma=True
line_length=88
multi_line_output=3
use_parentheses=True

.markdownlint.json

{
    "default": true,
    "MD013": false,
    "MD041": false
}

.pre-commit-config.yaml

# See https://pre-commit.com for more information
# See https://pre-commit.com/hooks.html for more hooks
repos:
-   repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v2.4.0
    hooks:
    -   id: check-yaml
    -   id: check-json
    -   id: check-added-large-files
    -   id: end-of-file-fixer
    -   id: trailing-whitespace
    -   id: flake8
        additional_dependencies: [
            "flake8-print==3.1.4"
        ]
-   repo: https://github.com/psf/black
    rev: 19.10b0
    hooks:
    -   id: black
-   repo: https://github.com/timothycrosley/isort
    rev: 4.3.21
    hooks:
    -   id: isort
        args: [-rc]
-   repo: https://github.com/igorshubovych/markdownlint-cli
    rev: v0.21.0
    hooks:
    -   id: markdownlint
        args: [--fix]

We can optimize the .markdownlint.json with the following code:

{
    "default": true,
    "MD013": false,
    "MD041": false
}

Done, :)