Update README.md

Author: ivanbgd

CHANGELOG.md

@@ -17,7 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - GitHub action `audit.yml`, with `audit-check` and `cargo-deny-action` actions
   - `audit.toml` for local and CI `cargo audit` configuration
   - `deny.toml` for local and CI `cargo deny` configuration
-- Pre-commit hook, `.pre-commit-config.yaml`
+- Pre-commit hooks, `.pre-commit-config.yaml`
 
 ### Changed
 - Updated several dependencies to newer versions.

README.md

@@ -5,6 +5,7 @@
 [![docs.rs](https://docs.rs/reduce_image_size/badge.svg)](https://docs.rs/reduce_image_size/)
 [![CI](https://github.com/ivanbgd/reduce-image-size-rust/actions/workflows/ci.yml/badge.svg)](https://github.com/ivanbgd/reduce-image-size-rust/actions/workflows/ci.yml)
 [![Security audit](https://github.com/ivanbgd/reduce-image-size-rust/actions/workflows/audit.yml/badge.svg)](https://github.com/ivanbgd/reduce-image-size-rust/actions/workflows/audit.yml)
+[![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit)](https://github.com/pre-commit/pre-commit)
 
 ## Description
 Reduces size of images in a folder (and optionally sub-folders, recursively).