Add note about husky installation

Author: octet-stream

readme.md

@@ -426,6 +426,10 @@ Checks if given value is a File, Blob or file-look-a-like object.
 
   - **{unknown}** value - A value to test
 
+### Husky installation
+
+This package is using `husky` to perform git hooks on developer's machine, so your changes might be verified before you push them to `GitHub`. If you want to install these hooks, run `npm run husky` command.
+
 ## Related links
 
 - [`FormData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData) documentation on MDN