Add pre-commit hook to check code formatting & linting

Author: aanton

.husky/.gitignore

@@ -0,0 +1 @@
+_

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+npx lint-staged

README.md

@@ -8,6 +8,7 @@ Project setup uses:
 - [ESLint](https://eslint.org/) for code linting
 - [Jest](https://jestjs.io/) for testing
 - vscode settings to run Prettier & ESLint on save
+- Pre-commit hook using [husky](https://typicode.github.io/husky/) [lint-staged](https://github.com/okonet/lint-staged) to ckeck code formatting & linting (Prettier & EsLint)
 
 ## Installation & usage