Update README.md (#295)
Update README.md (#295)

* "the benefit [..] are" => "the benefit [..] is"
* "an user" => "a user" (https://www.grammar-monster.com/lessons/an_or_a.htm)

Co-authored-by: Podaru Dragos <9708f2a76f1f4bb8efc3e19e938b9fd0f220d72c@gmail.com>
inversify/inversify-express-utils,inversify/inversify-express-utils