docs: README update (#1154)

* docs: README update -
replacing depricated npm set-script with npm  pkg set
(#1150)

* docs: README update -
replacing depricated npm set-script with npm pkg set
(#1150)

Author: s-gryt

README.md

@@ -15,7 +15,7 @@ npm install husky --save-dev
 Edit `package.json > prepare` script and run it once:
 
 ```sh
-npm set-script prepare "husky install"
+npm pkg set scripts.prepare="husky install"
 npm run prepare
 ```