-   repo: git://github.com/pre-commit/pre-commit-hooks
    sha: v1.2.0
    hooks:
    -   id: check-executables-have-shebangs
    -   id: check-json
    -   id: check-merge-conflict
    -   id: check-symlinks
    -   id: check-yaml
    -   id: detect-aws-credentials
    -   id: end-of-file-fixer
    -   id: trailing-whitespace

Add support for some pre-commit hooks
Add support for some pre-commit hooks

Toward #237.
